Skip tests on Gemfile* changes

[mpbw2]

📔 Objective

Skip app tests when making changes to Gemfile or Gemfile.lock

[github-actions]

🤖 Bitwarden Claude Code Review

Overall Assessment: APPROVE

This PR adds Gemfile and Gemfile.lock to the paths-ignore list in .github/workflows/test.yml and .github/workflows/test-bwa.yml, so PRs that only modify Ruby bundler manifests will skip the iOS test workflows. The change is symmetric across both Password Manager and Authenticator test workflows, matches the existing paths-ignore convention, and is appropriately scoped — Gemfile changes affect Fastlane/CI tooling and do not impact the compiled iOS apps.

Code Review Details

No findings. Changes are minimal, correctly placed under the pull_request trigger, and consistent across both workflow files.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.12%. Comparing base (3ecf4ce) to head (b679e23).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2602      +/-   ##
==========================================
- Coverage   87.20%   86.12%   -1.08%     
==========================================
  Files        1894     2120     +226     
  Lines      167519   182319   +14800     
==========================================
+ Hits       146087   157031   +10944     
- Misses      21432    25288    +3856     

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