fix 2.1.3 verification script

[godzillaba]

quick test to demonstrate the script works by running before and after 2.1.3 on arb1

> INBOX_ADDRESS=$ARB1_INBOX forge script scripts/foundry/contract-upgrades/2.1.3/VerifyNitroContracts2Point1Point3Upgrade.s.sol --fork-url $ETH_URL
[⠊] Compiling...
No files changed, compilation skipped
Script ran successfully.

> INBOX_ADDRESS=$ARB1_INBOX forge script scripts/foundry/contract-upgrades/2.1.3/VerifyNitroContracts2Point1Point3Upgrade.s.sol --fork-url $ETH_URL --fork-block-number 20721817
[⠊] Compiling...
No files changed, compilation skipped
Traces:
  [317061] → new VerifyNitroContracts2Point1Point3Upgrade@0x9f7cF1d1F558E57ef88a59ac3D47214eF25B6A06
    └─ ← [Return] 1473 bytes of code

  [43046] VerifyNitroContracts2Point1Point3Upgrade::run()
    ├─ [0] VM::envAddress("INBOX_ADDRESS") [staticcall]
    │   └─ ← [Return] <env var value>
    ├─ [9711] 0x4Dbd4fc535Ac27206064B68FfCf827b0A60BAB3f::bridge() [staticcall]
    │   ├─ [2471] Inbox::bridge() [delegatecall]
    │   │   └─ ← [Return] 0x8315177aB297bA92A06054cE80a67Ed4DBd7ed3a
    │   └─ ← [Return] 0x8315177aB297bA92A06054cE80a67Ed4DBd7ed3a
    ├─ [9787] 0x8315177aB297bA92A06054cE80a67Ed4DBd7ed3a::sequencerInbox() [staticcall]
    │   ├─ [2471] Bridge::sequencerInbox() [delegatecall]
    │   │   └─ ← [Return] TransparentUpgradeableProxy: [0x1c479675ad559DC151F6Ec7ed3FbF8ceE79582B6]
    │   └─ ← [Return] TransparentUpgradeableProxy: [0x1c479675ad559DC151F6Ec7ed3FbF8ceE79582B6]
    ├─ [0] VM::etch(0x0000000000000000000000000000000000001234, 0x4321)
    │   └─ ← [Return]
    ├─ [0] VM::prank(0x0000000000000000000000000000000000001234, 0x0000000000000000000000000000000000001234)
    │   └─ ← [Return]
    ├─ [0] VM::expectRevert(custom error 0xf28dceb3: 00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000004c8958ead00000000000000000000000000000000000000000000000000000000)
    │   └─ ← [Return]
    ├─ [10387] TransparentUpgradeableProxy::fallback(0, 0x, 0, 0x0000000000000000000000000000000000000000, 0, 0)
    │   ├─ [3034] SequencerInbox::addSequencerL2BatchFromOrigin(0, 0x, 0, 0x0000000000000000000000000000000000000000, 0, 0) [delegatecall]
    │   │   └─ ← [Revert] NotBatchPoster()
    │   └─ ← [Revert] NotBatchPoster()
    └─ ← [Revert] Error != expected error: custom error 0x2dd9fc97 != custom error 0xc8958ead


Error: script failed: Error != expected error: custom error 0x2dd9fc97 != custom error 0xc8958ead