build(deps): Bump google-auth from 2.24.0 to 2.28.1

Bumps [google-auth](https://github.com/googleapis/google-auth-library-python) from 2.24.0 to 2.28.1.
- [Release notes](https://github.com/googleapis/google-auth-library-python/releases)
- [Changelog](https://github.com/googleapis/google-auth-library-python/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-auth-library-python@v2.24.0...v2.28.1)

---
updated-dependencies:
- dependency-name: google-auth
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -2,5 +2,5 @@ ansible == 9.0.1
 ansible-lint == 24.2.0
 molecule[ansible] == 5.1.0
 apache-libcloud == 3.8.0
-google-auth == 2.24.0
+google-auth == 2.28.1
 molecule-plugins[gce]