Bump google-auth from 2.26.1 to 2.26.2 (#9)

Bumps [google-auth](https://github.com/googleapis/google-auth-library-python) from 2.26.1 to 2.26.2.
- [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@v2.26.1...v2.26.2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -4,7 +4,7 @@ certifi==2023.11.17
 charset-normalizer==3.3.2
 google-ai-generativelanguage==0.4.0
 google-api-core==2.15.0
-google-auth==2.26.1
+google-auth==2.26.2
 google-generativeai==0.3.2
 googleapis-common-protos==1.62.0
 grpcio==1.60.0