chore(deps-dev): bump google-cloud-pubsub from 2.19.4 to 2.19.7

Bumps [google-cloud-pubsub](https://github.com/googleapis/python-pubsub) from 2.19.4 to 2.19.7.
- [Release notes](https://github.com/googleapis/python-pubsub/releases)
- [Changelog](https://github.com/googleapis/python-pubsub/blob/main/CHANGELOG.md)
- [Commits](googleapis/python-pubsub@v2.19.4...v2.19.7)

---
updated-dependencies:
- dependency-name: google-cloud-pubsub
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-dev.txt

@@ -10,4 +10,4 @@ moto==4.2.5
 sentry-sdk==1.40.4
 yoyo-migrations==8.2.0
 elastic_apm==6.20.0
-google-cloud-pubsub==2.19.4
+google-cloud-pubsub==2.19.7