build(deps): bump google-cloud-pubsub from 2.27.3 to 2.28.0 (#6883)

Bumps [google-cloud-pubsub](https://github.com/googleapis/python-pubsub) from 2.27.3 to 2.28.0.
- [Release notes](https://github.com/googleapis/python-pubsub/releases)
- [Changelog](https://github.com/googleapis/python-pubsub/blob/main/CHANGELOG.md)
- [Commits](googleapis/python-pubsub@v2.27.3...v2.28.0)

---
updated-dependencies:
- dependency-name: google-cloud-pubsub
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.in

@@ -17,7 +17,7 @@ everett==3.4.0
 fillmore==2.1.0
 freezegun==1.5.1
 glom==24.11.0
-google-cloud-pubsub==2.27.3
+google-cloud-pubsub==2.28.0
 google-cloud-storage==3.0.0
 gunicorn==23.0.0
 honcho==2.0.0

requirements.txt

@@ -370,9 +370,9 @@ google-cloud-core==2.4.1 \
     --hash=sha256:9b7749272a812bde58fff28868d0c5e2f585b82f37e09a1f6ed2d4d10f134073 \
     --hash=sha256:a9e6a4422b9ac5c29f79a0ede9485473338e2ce78d91f2370c01e730eab22e61
     # via google-cloud-storage
-google-cloud-pubsub==2.27.3 \
-    --hash=sha256:6e294b063d6c6bf44d7b1ca99721ae6137930df3fdf7b91e44d280dd84b9410c \
-    --hash=sha256:daa03d16552c34240774307fc69ceebb991a94d70d0d6f208179e375f503f532
+google-cloud-pubsub==2.28.0 \
+    --hash=sha256:76b41a322b43bc845fb06ffe238758726324d957d0161bae3ff4b14339da144b \
+    --hash=sha256:904e894b4e15121521077ac85c9aa8f4e7b8517bc5fb409ddb2aac8df1a02b3c
     # via
     #   -r requirements.in
     #   obs-common