Bump httplib2 from 0.30.0 to 0.31.0

Bumps [httplib2](https://github.com/httplib2/httplib2) from 0.30.0 to 0.31.0.
- [Changelog](https://github.com/httplib2/httplib2/blob/master/CHANGELOG)
- [Commits](httplib2/httplib2@v0.30.0...v0.31.0)

---
updated-dependencies:
- dependency-name: httplib2
  dependency-version: 0.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 Django>=4.2.14,<6
 
 pytz==2025.2
-httplib2==0.30.0
+httplib2==0.31.0
 asgiref==3.9.1
 
 chardet==5.2.0