Adds a Github action for running Delta Lake I/O unit tests

[chamikaramj]

Includes a reference to managed since we hope to offer this under Managed I/O.

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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 introduces infrastructure support for Delta Lake I/O by configuring automated unit testing and updating the repository's autolabeling rules. These changes ensure that contributions to the Delta Lake module are properly tracked and verified through the existing CI pipeline.

Highlights

• CI/CD Integration: Added a new GitHub Action trigger file to enable automated unit testing for Delta Lake I/O.
• Autolabeler Configuration: Updated the autolabeler configuration to include a new 'delta' label for files related to the Delta Lake I/O module.

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• Ignored by pattern: .github/workflows/** (1)
  • .github/workflows/IO_Delta_Unit_Tests.yml

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Code Review

This pull request adds a trigger file IO_Delta_Unit_Tests.json and updates the autolabeler configuration for Delta Lake I/O. However, the corresponding GitHub Actions workflow file is missing, which is required to complete the implementation of the Delta Lake I/O unit tests runner.

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[derrickaw]

Can you add these to the readme file? Thanks

https://github.com/apache/beam/blob/master/.github/workflows/README.md

[chamikaramj]

Done. Also renamed the workflow to beam_PreCommit_Java_Delta_IO_Direct.yml‎.

PTAL.

[chamikaramj]

Thanks!

[chamikaramj]

Successful run: https://github.com/apache/beam/actions/runs/27225623608