Python dependency: Bump google-auth-oauthlib in /web/regression

Bumps [google-auth-oauthlib](https://github.com/googleapis/google-cloud-python) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/googleapis/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/main/packages/gcp-sphinx-docfx-yaml/CHANGELOG.md)
- [Commits](googleapis/google-cloud-python@google-auth-oauthlib-v1.3.0...google-auth-oauthlib-v1.3.1)

---
updated-dependencies:
- dependency-name: google-auth-oauthlib
  dependency-version: 1.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -34,7 +34,7 @@ Flask-SQLAlchemy==3.1.*
 Flask-WTF==1.2.*
 Flask==3.1.*
 google-api-python-client==2.*
-google-auth-oauthlib==1.3.0
+google-auth-oauthlib==1.3.1
 gssapi==1.11.*
 jsonformatter~=0.3.4
 keyring==25.*