Bump google-auth in /requirements in the google group

Bumps the google group in /requirements with 1 update: [google-auth](https://github.com/googleapis/google-auth-library-python).


Updates `google-auth` from 2.47.0 to 2.48.0
- [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@v2.47.0...v2.48.0)

---
updated-dependencies:
- dependency-name: google-auth
  dependency-version: 2.48.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: google
...

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

Author: dependabot[bot]

requirements/prod.txt

@@ -1088,9 +1088,9 @@ yara-python==4.5.4 \
 google-cloud-bigquery==3.40.0 \
     --hash=sha256:0469bcf9e3dad3cab65b67cce98180c8c0aacf3253d47f0f8e976f299b49b5ab \
     --hash=sha256:b3ccb11caf0029f15b29569518f667553fe08f6f1459b959020c83fbbd8f2e68
-google-auth==2.47.0 \
-    --hash=sha256:833229070a9dfee1a353ae9877dcd2dec069a8281a4e72e72f77d4a70ff945da \
-    --hash=sha256:c516d68336bfde7cf0da26aab674a36fedcf04b37ac4edd59c597178760c3498
+google-auth==2.48.0 \
+    --hash=sha256:2e2a537873d449434252a9632c28bfc268b0adb1e53f9fb62afc5333a975903f \
+    --hash=sha256:4f7e706b0cd3208a3d940a19a822c37a476ddba5450156c3e6624a71f7c841ce
 google-api-core[grpc]==2.29.0 \
     --hash=sha256:84181be0f8e6b04006df75ddfe728f24489f0af57c96a529ff7cf45bc28797f7 \
     --hash=sha256:d30bc60980daa36e314b5d5a3e5958b0200cb44ca8fa1be2b614e932b75a3ea9