Bump django-stubs from 5.0.2 to 5.0.4 in /server

Bumps [django-stubs](https://github.com/typeddjango/django-stubs) from 5.0.2 to 5.0.4.
- [Release notes](https://github.com/typeddjango/django-stubs/releases)
- [Commits](typeddjango/django-stubs@5.0.2...5.0.4)

---
updated-dependencies:
- dependency-name: django-stubs
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

server/requirements_dev.txt

@@ -7,7 +7,7 @@ ruff==0.5.0
 celery-types==0.22.0
 djangorestframework-stubs==3.15.0
 ruff-lsp==0.0.54
-django-stubs==5.0.2
+django-stubs==5.0.4
 django-stubs-ext==5.0.2
 Faker==26.0.0
 coverage==7.5.4