Bump google-auth from 2.23.3 to 2.23.4 in /requirements (#21380)

Bumps [google-auth](https://github.com/googleapis/google-auth-library-python) from 2.23.3 to 2.23.4.
- [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](https://github.com/googleapis/google-auth-library-python/compare/v2.23.3...v2.23.4)

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

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

requirements/prod.txt

@@ -607,9 +607,9 @@ yara-python==4.3.1 \
 google-cloud-bigquery==3.12.0 \
     --hash=sha256:1af93c5c28a18b13190bce479b793aaae56c0ecf7e1da73b4ba5798eca054a07 \
     --hash=sha256:e68851addfe0394ab7662bd58aa0e5a4527e7156568cc0410129ccb8a460a009
-google-auth==2.23.3 \
+google-auth==2.23.4 \
-    --hash=sha256:6864247895eea5d13b9c57c9e03abb49cb94ce2dc7c58e91cba3248c7477c9e3 \
+    --hash=sha256:79905d6b1652187def79d491d6e23d0cbb3a21d3c7ba0dbaa9c8a01906b13ff3 \
-    --hash=sha256:a8f4608e65c244ead9e0538f181a96c6e11199ec114d41f1d7b1bffa96937bda
+    --hash=sha256:d4bbc92fe4b8bfd2f3e8d88e5ba7085935da208ee38a134fc280e7ce682a05f2
 google-api-core[grpc]==2.12.0 \
     --hash=sha256:c22e01b1e3c4dcd90998494879612c38d0a3411d1f7b679eb89e2abe3ce1f553 \
     --hash=sha256:ec6054f7d64ad13b41e43d96f735acbd763b0f3b695dabaa2d579673f6a6e160