Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from
4.25.8 to 5.29.6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/protocolbuffers/protobuf/releases">protobuf's
releases</a>.</em></p>
<blockquote>
<h2>Protocol Buffers v34.0-rc1</h2>
<h1>Announcements</h1>
<ul>
<li><strong>This version includes breaking changes to: C++, Objective-C,
PHP, Python.</strong></li>
<li>[Bazel] Remove deprecated ProtoInfo.transitive_imports. Use
equivalent transitive_sources instead (<a
href="https://github.com/protocolbuffers/protobuf/commit/0a5c2f6b633c1e5259f566cb42d30fe347b8aadb">https://github.com/protocolbuffers/protobuf/commit/0a5c2f6b633c1e5259f566cb42d30fe347b8aadb</a>)</li>
<li>[C++] Make generator headers private (<a
href="https://github.com/protocolbuffers/protobuf/commit/3a2af3510f0d454dbe3e4dc281674b61c4d20b9e">https://github.com/protocolbuffers/protobuf/commit/3a2af3510f0d454dbe3e4dc281674b61c4d20b9e</a>)</li>
<li>[C++] Add a debug check that the target of CopyFrom is not a
descendant of the source. (<a
href="https://github.com/protocolbuffers/protobuf/commit/7a7589823d2cfaaf7994b050e98d5d553bc9b1c1">https://github.com/protocolbuffers/protobuf/commit/7a7589823d2cfaaf7994b050e98d5d553bc9b1c1</a>)</li>
<li>[C++] Add [[nodiscard]] to many APIs. (<a
href="https://github.com/protocolbuffers/protobuf/commit/a70115f33f9af2c4b2202c800b84837e7fe0d738">https://github.com/protocolbuffers/protobuf/commit/a70115f33f9af2c4b2202c800b84837e7fe0d738</a>)</li>
<li>[C++] Make the arena-enabled constructors of
<code>RepeatedField</code>, <code>RepeatedPtrField</code>, and
<code>Map</code> private. (<a
href="https://github.com/protocolbuffers/protobuf/commit/ef890c3d0c79398c70e047fe5dd893f460ba2336">https://github.com/protocolbuffers/protobuf/commit/ef890c3d0c79398c70e047fe5dd893f460ba2336</a>)</li>
<li>[C++] Remove deprecated FieldDescriptor::label() in OSS. Use
is_repeated() or is_required() instead (<a
href="https://github.com/protocolbuffers/protobuf/commit/b76faa921fdd244f374c7be0bddd4050fc42c292">https://github.com/protocolbuffers/protobuf/commit/b76faa921fdd244f374c7be0bddd4050fc42c292</a>)</li>
<li>[C++] Removes proto2::util::MessageDifferencer::AddIgnoreCriteria
that takes a raw pointer as an argument in favor of the overload that
takes a unique_ptr. Remove macro
PROTOBUF_FUTURE_REMOVE_ADD_IGNORE_CRITERIA (<a
href="https://github.com/protocolbuffers/protobuf/commit/b115358c64127896fed88b8b5ef5d91d86d8cbae">https://github.com/protocolbuffers/protobuf/commit/b115358c64127896fed88b8b5ef5d91d86d8cbae</a>)</li>
<li>[C++] Remove deprecated FieldDescriptor::has_optional_keyword() in
OSS. Use is_repeated() or has_presence() instead (<a
href="https://github.com/protocolbuffers/protobuf/commit/68346ec9348e932664e58c3ecdcd1478f95233a8">https://github.com/protocolbuffers/protobuf/commit/68346ec9348e932664e58c3ecdcd1478f95233a8</a>)</li>
<li>[C++] Remove AddUnusedImportTrackFile() and
ClearUnusedImportTrackFiles(). Remove
PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT (<a
href="https://github.com/protocolbuffers/protobuf/commit/837a2cd1d6c75402b2503ffe7cd8aeaf25868536">https://github.com/protocolbuffers/protobuf/commit/837a2cd1d6c75402b2503ffe7cd8aeaf25868536</a>)</li>
<li>[C++] Remove deprecated FieldDescriptor::is_optional() in OSS. Use
(!is_required() &amp;&amp; !is_repeated()) instead (<a
href="https://github.com/protocolbuffers/protobuf/commit/9dbc5d479a8e453921485d8d3de47fb3c005f1af">https://github.com/protocolbuffers/protobuf/commit/9dbc5d479a8e453921485d8d3de47fb3c005f1af</a>)</li>
<li>[C++] Remove deprecated UseDeprecatedLegacyJsonFieldConflicts() (<a
href="https://github.com/protocolbuffers/protobuf/commit/c301c2ca286327a21c50c0c4cd877afc9c655b00">https://github.com/protocolbuffers/protobuf/commit/c301c2ca286327a21c50c0c4cd877afc9c655b00</a>)</li>
<li>[C++] All entity names have length limit (2afb0dc)</li>
<li>[ObjC] Remove <code>generate_minimal_imports</code> generation
option warning (<a
href="https://github.com/protocolbuffers/protobuf/commit/45b1297fdaad5a9436d0e207422168c38dc45ac4">https://github.com/protocolbuffers/protobuf/commit/45b1297fdaad5a9436d0e207422168c38dc45ac4</a>)</li>
<li>[ObjC] Fix nullability annotations on some
<code>GPB*Dictionary</code> types. (<a
href="https://github.com/protocolbuffers/protobuf/commit/ea67d6d26a48478a567c404679e3bb99cf230d50">https://github.com/protocolbuffers/protobuf/commit/ea67d6d26a48478a567c404679e3bb99cf230d50</a>)</li>
<li>[ObjC] Remove <code>-[GPBFieldDescriptor optional]</code> (<a
href="https://github.com/protocolbuffers/protobuf/commit/3414dc151eb4dcbdb2ca952e2589993bf7af75c4">https://github.com/protocolbuffers/protobuf/commit/3414dc151eb4dcbdb2ca952e2589993bf7af75c4</a>)</li>
<li>[Other] Remove deprecated flag for enabling MSVC support (<a
href="https://github.com/protocolbuffers/protobuf/commit/97c979be6e0907e1051bee62584dac4594e73fa7">https://github.com/protocolbuffers/protobuf/commit/97c979be6e0907e1051bee62584dac4594e73fa7</a>)</li>
<li>[PHP] Remove deprecated PHP APIs (<a
href="https://github.com/protocolbuffers/protobuf/commit/9c45014099a4f7004fab6dd1278de2f4f2a393c5">https://github.com/protocolbuffers/protobuf/commit/9c45014099a4f7004fab6dd1278de2f4f2a393c5</a>)</li>
<li>[PHP] Remove deprecated PHP APIs FieldDescriptor getLabel, use
IsRepeated or isRequired instead. (<a
href="https://github.com/protocolbuffers/protobuf/commit/42081219920c6fad17ba6ddd1e28d111bcfb3345">https://github.com/protocolbuffers/protobuf/commit/42081219920c6fad17ba6ddd1e28d111bcfb3345</a>,
<a
href="https://github.com/protocolbuffers/protobuf/commit/cd76e675b14d00dda5623b30835d2bc7105fccc6">https://github.com/protocolbuffers/protobuf/commit/cd76e675b14d00dda5623b30835d2bc7105fccc6</a>,
<a
href="https://github.com/protocolbuffers/protobuf/commit/42081219920c6fad17ba6ddd1e28d111bcfb3345">https://github.com/protocolbuffers/protobuf/commit/42081219920c6fad17ba6ddd1e28d111bcfb3345</a>)</li>
<li>[PHP] Add PHP typehints for setters and remove redundant GPBUtil
checks (<a
href="https://redirect.github.com/protocolbuffers/protobuf/pull/25296">protocolbuffers/protobuf#25296</a>)
(<a
href="https://github.com/protocolbuffers/protobuf/commit/aee03b78929c02461a5f9d8e136a2a016359b0cd">https://github.com/protocolbuffers/protobuf/commit/aee03b78929c02461a5f9d8e136a2a016359b0cd</a>)</li>
<li>[PHP] support default values for editions/proto2 (<a
href="https://redirect.github.com/protocolbuffers/protobuf/pull/25161">protocolbuffers/protobuf#25161</a>)
(<a
href="https://github.com/protocolbuffers/protobuf/commit/b01099d56350551bae3da88b97bf3027274c9f17">https://github.com/protocolbuffers/protobuf/commit/b01099d56350551bae3da88b97bf3027274c9f17</a>)</li>
<li>[Python] Raise errors in OSS when assign bool to int/enum field in
Python Proto. (<a
href="https://github.com/protocolbuffers/protobuf/commit/5b116fe2f14f49dd0cc3b76089983717f211025c">https://github.com/protocolbuffers/protobuf/commit/5b116fe2f14f49dd0cc3b76089983717f211025c</a>)</li>
<li>[Python] Remove float_format/double_format from python proto
text_format (<a
href="https://github.com/protocolbuffers/protobuf/commit/e4854a186e0bfa867d5bfa5cd850608a948fd488">https://github.com/protocolbuffers/protobuf/commit/e4854a186e0bfa867d5bfa5cd850608a948fd488</a>)</li>
<li>[Python] Raise TypeError when convert non-timedelta to Duration, or
convert non-datetime to Timestamp in python proto. (Original code may
raise ArributeError) (<a
href="https://github.com/protocolbuffers/protobuf/commit/00aaca1b4d98954bc2933d7c8a5379ba6088124c">https://github.com/protocolbuffers/protobuf/commit/00aaca1b4d98954bc2933d7c8a5379ba6088124c</a>)</li>
<li>[Python] Remove float_precision from python proto json_format (<a
href="https://github.com/protocolbuffers/protobuf/commit/f027f1fcd52b9d080b7ee79f4024f53cf54e0dc5">https://github.com/protocolbuffers/protobuf/commit/f027f1fcd52b9d080b7ee79f4024f53cf54e0dc5</a>)</li>
<li>[Python] Remove deprecated FieldDescriptor::label() in OSS. Use
is_repeated() or is_required() instead (<a
href="https://github.com/protocolbuffers/protobuf/commit/b76faa921fdd244f374c7be0bddd4050fc42c292">https://github.com/protocolbuffers/protobuf/commit/b76faa921fdd244f374c7be0bddd4050fc42c292</a>)</li>
<li>[Python] Remove deprecated FieldDescriptor.label (<a
href="https://github.com/protocolbuffers/protobuf/commit/0a8ff55518ea5874478ad5b26515b31d186045a9">https://github.com/protocolbuffers/protobuf/commit/0a8ff55518ea5874478ad5b26515b31d186045a9</a>)</li>
<li>[Python] Remove deprecated UseDeprecatedLegacyJsonFieldConflicts()
(<a
href="https://github.com/protocolbuffers/protobuf/commit/c301c2ca286327a21c50c0c4cd877afc9c655b00">https://github.com/protocolbuffers/protobuf/commit/c301c2ca286327a21c50c0c4cd877afc9c655b00</a>)</li>
<li><a href="https://protobuf.dev/news/">Protobuf News</a> may include
additional announcements or pre-announcements for upcoming changes.</li>
<li><a href="https://protobuf.dev/support/migration/">Migration
Guide</a> may include additional guidance for breaking changes.</li>
</ul>
<h1>Bazel</h1>
<ul>
<li>Fix: cc_toolchain should prefer protoc when prebuilt flag is
flipped. (<a
href="https://redirect.github.com/protocolbuffers/protobuf/issues/25168">#25168</a>)
(<a
href="https://github.com/protocolbuffers/protobuf/commit/8c857c3a1c6a106b0a096f1c9fa504bfaca035a9">https://github.com/protocolbuffers/protobuf/commit/8c857c3a1c6a106b0a096f1c9fa504bfaca035a9</a>)</li>
<li>Breaking change: Remove deprecated ProtoInfo.transitive_imports. Use
equivalent transitive_sources instead (<a
href="https://github.com/protocolbuffers/protobuf/commit/0a5c2f6b633c1e5259f566cb42d30fe347b8aadb">https://github.com/protocolbuffers/protobuf/commit/0a5c2f6b633c1e5259f566cb42d30fe347b8aadb</a>)</li>
<li>Feat(bazel): wire up prebuilt protoc toolchain (<a
href="https://redirect.github.com/protocolbuffers/protobuf/issues/24115">#24115</a>)
(<a
href="https://github.com/protocolbuffers/protobuf/commit/cc23698b486e690ea2eb873cc7596a87c74a3ba6">https://github.com/protocolbuffers/protobuf/commit/cc23698b486e690ea2eb873cc7596a87c74a3ba6</a>)</li>
<li>Migrate <code>proto_descriptor_set</code> (<a
href="https://redirect.github.com/protocolbuffers/protobuf/issues/23369">#23369</a>)
(<a
href="https://github.com/protocolbuffers/protobuf/commit/8d4dfdd39a7a242a9ed631a6ab2192c57dd9b9c8">https://github.com/protocolbuffers/protobuf/commit/8d4dfdd39a7a242a9ed631a6ab2192c57dd9b9c8</a>)</li>
</ul>
<h1>Compiler</h1>
<ul>
<li>Ruby codegen: support generation of rbs files (<a
href="https://redirect.github.com/protocolbuffers/protobuf/issues/15633">#15633</a>)
(<a
href="https://github.com/protocolbuffers/protobuf/commit/6ebdf851ba78728f0aa145d38454ed9a316fb08d">https://github.com/protocolbuffers/protobuf/commit/6ebdf851ba78728f0aa145d38454ed9a316fb08d</a>)</li>
<li>Avoid collision name problems between a message named
<code>Xyz</code> and a direct sibling enum named <code>XyzView</code>
(<a
href="https://github.com/protocolbuffers/protobuf/commit/eba53e8f172b273d679759a72ce4250131ee3df1">https://github.com/protocolbuffers/protobuf/commit/eba53e8f172b273d679759a72ce4250131ee3df1</a>)</li>
<li>Generalizing and implementing ValidateFeatureSupport for both
Options and Features during proto parsing (<a
href="https://github.com/protocolbuffers/protobuf/commit/ed3c57114d8e2b47cca7697ddaa50c1b3762a6b0">https://github.com/protocolbuffers/protobuf/commit/ed3c57114d8e2b47cca7697ddaa50c1b3762a6b0</a>)</li>
<li>Fix a bug with custom features outside of the <code>pb</code>
package. (<a
href="https://github.com/protocolbuffers/protobuf/commit/872d3ce7a4da00d7dcec33ced20cfe45235935e8">https://github.com/protocolbuffers/protobuf/commit/872d3ce7a4da00d7dcec33ced20cfe45235935e8</a>)</li>
<li>Fix import option handling when include_imports isn't set. (<a
href="https://github.com/protocolbuffers/protobuf/commit/9ef9e80afd9bc8379d578fe67e5ab0738728c04e">https://github.com/protocolbuffers/protobuf/commit/9ef9e80afd9bc8379d578fe67e5ab0738728c04e</a>)</li>
<li>Fix a bug in STRICT check of namespaced enums to properly check for
'reserved 1 to max' (<a
href="https://github.com/protocolbuffers/protobuf/commit/1229d4adba24c0952ab85ce96bc7b7f8a1fe6d0f">https://github.com/protocolbuffers/protobuf/commit/1229d4adba24c0952ab85ce96bc7b7f8a1fe6d0f</a>)</li>
<li>Prevent accidental stripping of <code>debug_redact</code> options
via import option. (<a
href="https://github.com/protocolbuffers/protobuf/commit/f58b098bffa7ca4045ef7773b09151a6af5d0c28">https://github.com/protocolbuffers/protobuf/commit/f58b098bffa7ca4045ef7773b09151a6af5d0c28</a>)</li>
</ul>
<h1>C++</h1>
<ul>
<li>Add EnumerateEnumValues function. (<a
href="https://github.com/protocolbuffers/protobuf/commit/397d5d99db274b379d1384814074bf7df39d32f7">https://github.com/protocolbuffers/protobuf/commit/397d5d99db274b379d1384814074bf7df39d32f7</a>)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/protocolbuffers/protobuf/commits">compare
view</a></li>
</ul>
</details>
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