build(deps): update google-cloud-logging requirement

Updates the requirements on [google-cloud-logging](https://github.com/googleapis/python-logging) to permit the latest version.
- [Release notes](https://github.com/googleapis/python-logging/releases)
- [Changelog](https://github.com/googleapis/python-logging/blob/main/CHANGELOG.md)
- [Commits](https://github.com/googleapis/python-logging/compare/v2.2.0...v2.7.0)

---
updated-dependencies:
- dependency-name: google-cloud-logging
  dependency-type: direct:production
...

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requirements.txt

@@ -6,7 +6,7 @@ app-server~=0.7.0; python_version>="3.8"
 feedparser~=6.0.8
 flask~=2.0.1
 flask-caching~=1.10.1
-google-cloud-logging~=2.2.0
+google-cloud-logging~=2.7.0
 gunicorn~=20.0
 mf2util~=0.5.1
 mox3~=0.28