Fix PR status checks

[SaschaCowley]

Link to issue number:

Fixes #18869

Summary of the issue:

Status checks are not properly enforced, meaning PRs with failing checks are allowed to be merged.

Description of user facing changes:

None

Description of developer facing changes:

CI checks must pass

Description of development approach:

Use alls-green.

Testing strategy:

Create test failures and ensure they disable merging.

• Intentionally introduced a unit test failure in commit aaa4146d (CI run)
• Intentionally introduced a system test failure in commit 6cb4d8ad (CI run)

I did not check po, pot, lint, types etc, however I believe that the above tests are sufficient to prove that this approach works.

Known issues with pull request:

None

Code Review Checklist:

• Documentation:
  • Change log entry
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English
• API is compatible with existing add-ons.
• Security precautions taken.

[Copilot]

Pull Request Overview

This PR fixes status check enforcement in the CI/CD pipeline to prevent merging PRs with failing tests. The changes implement proper status check validation using the alls-green GitHub Action and include a test case modification to verify the enforcement mechanism.

• Replaces manual status check echo with the alls-green action for proper CI validation
• Adds conditional execution to ensure status checks run regardless of previous job outcomes
• Modifies a test case to create intentional failures for validation testing

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
.github/workflows/testAndPublish.yml	Implements alls-green action for proper status check enforcement
tests/unit/test_addonVersionCheck.py	Modifies test assertion to create intentional failure for testing

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