Bump django-stubs from 5.0.4 to 5.1.0

Bumps [django-stubs](https://github.com/typeddjango/django-stubs) from 5.0.4 to 5.1.0.
- [Release notes](https://github.com/typeddjango/django-stubs/releases)
- [Commits](typeddjango/django-stubs@5.0.4...5.1.0)

---
updated-dependencies:
- dependency-name: django-stubs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements-test.txt

@@ -1,6 +1,6 @@
 -r requirements.txt
 coverage==7.6.1
-django-stubs==5.0.4
+django-stubs==5.1.0
 django-test-migrations==1.4.0
 factory-boy==3.3.0
 faker==30.1.0