Bump google-auth-oauthlib from 1.0.0 to 1.2.1

Bumps [google-auth-oauthlib](https://github.com/GoogleCloudPlatform/google-auth-library-python-oauthlib) from 1.0.0 to 1.2.1.
- [Release notes](https://github.com/GoogleCloudPlatform/google-auth-library-python-oauthlib/releases)
- [Changelog](https://github.com/googleapis/google-auth-library-python-oauthlib/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-auth-library-python-oauthlib@v1.0.0...v1.2.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements/base.txt

@@ -27,7 +27,7 @@ requests==2.32.3
 google-api-python-client==2.139.0
 google-auth==2.33.0
 google-auth-httplib2==0.2.0
-google-auth-oauthlib==1.0.0
+google-auth-oauthlib==1.2.1
 
 pyotp==2.9.0
 qrcode==7.4.2