[ci][py] Update runners and tests

[VietND96]

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Description

Motivation and Context

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

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PR Type

enhancement, configuration changes

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Description

• Updated GitHub Actions workflows to use ubuntu-latest instead of ubuntu-20.04.
• Simplified the Bazel workflow by removing specific macOS version targeting.
• Enhanced the CI Python workflow by adding a matrix strategy for browser testing, allowing for parallel execution of tests across different browsers.
• Unified browser tests under a single job in the CI Python workflow, improving maintainability.

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Changes walkthrough 📝

	Relevant files
Configuration changes	bazel.yml Simplify macOS runner configuration in Bazel workflow        .github/workflows/bazel.yml Simplified the runner configuration for macOS. Removed specific macOS version targeting. +1/-1      label-commenter.yml Update label commenter workflow to latest runner                  .github/workflows/label-commenter.yml Updated runner version to ubuntu-latest. +1/-1
Enhancement	ci-python.yml Update CI Python workflow with matrix strategy and latest runner .github/workflows/ci-python.yml Updated runner version to ubuntu-latest. Added matrix strategy for browser testing. Unified browser tests under a single job. +26/-13

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[qodo-code-review]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 Security concerns Sensitive information exposure: The workflow files contain references to secrets (GITHUB_TOKEN, SEL_M2_USER, SEL_M2_PASS). While these are properly used with GitHub's secret management, ensure that these secrets are properly configured in the repository settings and have appropriate access scopes.

⚡ Recommended focus areas for review Configuration Validation The matrix strategy for browser testing only includes Firefox for remote tests, while browser tests include Safari and Chrome. Verify if this limited browser coverage for remote tests is intentional. Performance Concern The flaky test attempts are set to 3 for all browser tests. Consider if this retry count is optimal for all browser types, as some might need different retry strategies.

[qodo-code-review]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Score
Best practice	Add timeout constraints to prevent test executions from running indefinitely Add timeout limits to the browser tests to prevent potential hanging or long-running tests from blocking the CI pipeline. .github/workflows/ci-python.yml [112] -run: bazel test --flaky_test_attempts 3 //py:test-${{ matrix.browser }} +run: bazel test --flaky_test_attempts 3 --test_timeout=900 //py:test-${{ matrix.browser }} Apply this suggestion Suggestion importance[1-10]: 8 Why: Adding test timeouts is a critical best practice for CI pipelines to prevent hanging tests from blocking the entire workflow. This is especially important for browser tests which can be flaky.	8
Enhancement	Expand browser test coverage by including additional platform configurations in the test matrix Consider adding Chrome browser tests for Ubuntu platform as well, since it's a common testing environment and could catch platform-specific issues. .github/workflows/ci-python.yml [99-106] strategy: fail-fast: false matrix: include: - browser: safari os: macos - browser: chrome os: macos + - browser: chrome + os: ubuntu Apply this suggestion Suggestion importance[1-10]: 7 Why: Adding Chrome tests on Ubuntu is valuable as it's a common CI environment and could catch platform-specific issues. The suggestion is well-aligned with the PR's goal of improving test coverage and matrix strategy.	7
Possible issue	Add input validation to prevent potential workflow failures due to invalid parameters Consider adding error handling for the case when inputs.os is empty or invalid, as format() function might fail in such cases. .github/workflows/bazel.yml [73] -runs-on: ${{ format('{0}-latest', inputs.os) }} +runs-on: ${{ inputs.os != '' && format('{0}-latest', inputs.os) || 'ubuntu-latest' }} Apply this suggestion Suggestion importance[1-10]: 7 Why: The suggestion adds important error handling for the workflow's input parameter, preventing potential failures when inputs.os is empty or invalid. This improves the workflow's robustness.	7

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