add Apache third party allow list check and doc

[derrickaw]

1. Add a Apache third party allow list check to prevent silent CI failures.
2. Add documentation.
3. Fix two workflow/actions that were failing during updated workflow run.
4. Verified - https://github.com/apache/beam/actions/runs/29769250097/job/88442987996

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[derrickaw]

/gemini review

[gemini-code-assist]

Code Review

This pull request updates the GitHub Action .github/actions/setup-k8s-access/action.yml to pin the pytooling/actions/with-post-step action to a specific commit SHA for security hardening, and updates its repository reference to lowercase. There are no review comments, and I have no feedback to provide.

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[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the reliability and security of the CI/CD pipeline by introducing an allow list check for third-party dependencies and pinning critical actions to specific commit hashes. These changes ensure more predictable workflow execution and prevent unexpected failures during automated testing.

Highlights

• Dependency Pinning: Updated the 'pytooling/actions/with-post-step' action to use a specific commit hash for improved security and stability.
• CI/CD Reliability: Implemented a third-party allow list check to proactively prevent silent CI failures and added supporting documentation.

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Ignored Files

• Ignored by pattern: .github/workflows/** (3)
  • .github/workflows/README.md
  • .github/workflows/beam_Infrastructure_UsersPermissions.yml
  • .github/workflows/beam_PreCommit_GHA.yml

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[derrickaw]

R: @Abacn

[gemini-code-assist]

Code Review

This pull request updates the GitHub Action pyTooling/Actions/with-post-step in the setup-k8s-access action configuration to use a specific commit SHA instead of a version tag, while also lowercasing the repository path. There are no review comments to address, and I have no additional feedback to provide.

Important

The consumer version of Gemini Code Assist on GitHub is being sunset. Starting June 18, 2026, new organization installations will be blocked, and all code review activity will officially cease on July 17, 2026.
For more details on the timeline and next steps, please review the Help Documentation.

[github-actions]

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