Bump django-cas-ng from 5.0.1 to 5.1.0

Bumps [django-cas-ng](https://github.com/django-cas-ng/django-cas-ng) from 5.0.1 to 5.1.0.
- [Release notes](https://github.com/django-cas-ng/django-cas-ng/releases)
- [Changelog](https://github.com/django-cas-ng/django-cas-ng/blob/master/docs/changelog.rst)
- [Commits](django-cas-ng/django-cas-ng@v5.0.1...v5.1.0)

---
updated-dependencies:
- dependency-name: django-cas-ng
  dependency-version: 5.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -32,7 +32,7 @@ idna==3.11  # requests
 certifi==2025.11.12  # requests, sentry-sdk
 requests==2.32.5
 python-cas==1.7.1
-django-cas-ng==5.0.1
+django-cas-ng==5.1.0
 
 astroid==4.0.2
 pylint==4.0.3