Bump python-gitlab from 4.8.0 to 4.9.0 (#10685)

Bumps [python-gitlab](https://github.com/python-gitlab/python-gitlab) from 4.8.0 to 4.9.0.
- [Release notes](https://github.com/python-gitlab/python-gitlab/releases)
- [Changelog](https://github.com/python-gitlab/python-gitlab/blob/main/CHANGELOG.md)
- [Commits](python-gitlab/python-gitlab@v4.8.0...v4.9.0)

---
updated-dependencies:
- dependency-name: python-gitlab
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -47,7 +47,7 @@ social-auth-app-django==5.4.2
 social-auth-core==4.5.4
 gitpython==3.1.43
 debugpy==1.8.5
-python-gitlab==4.8.0
+python-gitlab==4.9.0
 cpe==1.2.1
 packageurl-python==0.15.6
 django-crum==0.7.9