Bump google-auth from 1.11.0 to 1.11.1 in /requirements (#6004)

Bumps [google-auth](https://github.com/googleapis/google-auth-library-python) from 1.11.0 to 1.11.1.
- [Release notes](https://github.com/googleapis/google-auth-library-python/releases)
- [Changelog](https://github.com/googleapis/google-auth-library-python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-auth-library-python/compare/v1.11.0...v1.11.1)

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

requirements/common.txt

@@ -473,9 +473,9 @@ google_cloud_core==1.2.0 \
     --hash=sha256:83712d41a89ab0f48769a0c2fad0e5eadf521df9bd22b83355efb79b28648027
 google_api_core==1.16.0 \
     --hash=sha256:859f7392676761f2b160c6ee030c3422135ada4458f0948c5690a6a7c8d86294
-google_auth==1.11.0 \
-    --hash=sha256:b2d83edc02a9deeed9b1b839046671fd9eda223d21bd2dd50051559787032fd8 \
-    --hash=sha256:44549e69ac39acf41fdf47f3f39a06e4e68378476806760d94a2c6a361b2bb06
+google_auth==1.11.1 \
+    --hash=sha256:5b6f71953db7d9bee2e967120f90e45ccdc12a219b89fa1209bec3e10bb245b3 \
+    --hash=sha256:74655ad79b89611f93b899ea8fe1194970a1701fe1d692bf2beb0e67bcb0f4d4
 googleapis-common-protos==1.51.0 \
     --hash=sha256:013c91704279119150e44ef770086fdbba158c1f978a6402167d47d5409e226e
 cachetools==4.0.0 \