Metal/CUDA CI: cancel-in-progress=True

[manuelcandales]

This pull request updates the GitHub Actions workflow configurations to improve CI efficiency by ensuring that only the latest workflow run is active for both CUDA and Metal builds. The main change is enabling the cancellation of in-progress runs when new ones are triggered for the same concurrency group.

Workflow configuration improvements:

• Set cancel-in-progress: true in the concurrency section of .github/workflows/cuda.yml to automatically cancel previous CUDA workflow runs when a new one is started.
• Set cancel-in-progress: true in the concurrency section of .github/workflows/metal.yml to automatically cancel previous Metal workflow runs when a new one is started.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/17256

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❌ 3 New Failures, 1 Cancelled Job, 4 Unrelated Failures

As of commit d5952b6 with merge base fb59a47 ():

NEW FAILURES - The following jobs have failed:

• pull / unittest / linux / linux-job (gh)
  RuntimeError: Command docker exec -t b2ab72e178355ab4442de09e4b3174186b2795ecbbd0559aa14e72d5f5e1ab6e /exec failed with exit code 1
• pull / unittest-editable / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 16589d720947ae740a818d1a47a7c1e8ec68773e7770ba28b463f2d0bff55ade /exec failed with exit code 1
• Test CUDA Builds / export-model-cuda-artifact (mistralai, Voxtral-Mini-3B-2507, quantized-int4-weight-only) / linux-job (gh)
  RuntimeError: Command docker exec -t e4332b6a5071a80db85b3ffa0785cbc07291b325aa67b03df239820278d888c7 /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• pull / test-samsung-quantmodels-linux / linux-job (gh)

FLAKY - The following job failed but was likely due to flakiness present on trunk:

• pull / test-models-linux (ic3, portable, linux.2xlarge) / linux-job (gh) (detected as infra flaky with no log or failing log classifier)

BROKEN TRUNK - The following jobs failed but was present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / test-samsung-models-linux / linux-job (gh) (trunk failure)
  ##[error]The operation was canceled.
• pull / unittest / macos / macos-job (gh) (trunk failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• pull / unittest-editable / macos / macos-job (gh) (trunk failure)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1

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[github-actions]

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[Copilot]

Pull request overview

This pull request updates GitHub Actions workflow configurations to align with the repository's standard practice of canceling in-progress CI runs when new commits are pushed. The changes affect the CUDA and Metal test workflows, enabling automatic cancellation of outdated runs to improve CI efficiency and reduce resource consumption.

Changes:

• Updated cancel-in-progress from false to true in .github/workflows/cuda.yml
• Updated cancel-in-progress from false to true in .github/workflows/metal.yml

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/workflows/cuda.yml	Enables cancellation of in-progress CUDA test workflow runs when new commits are pushed
.github/workflows/metal.yml	Enables cancellation of in-progress Metal test workflow runs when new commits are pushed

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