chore(deps): Bump django from 5.0.7 to 5.0.8 in /backend/server

Bumps [django](https://github.com/django/django) from 5.0.7 to 5.0.8.
- [Commits](https://github.com/django/django/compare/5.0.7...5.0.8)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
...

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

backend/server/requirements.txt

@@ -1,4 +1,4 @@
-Django==5.0.7
+Django==5.0.8
 dj-rest-auth @ git+https://github.com/iMerica/dj-rest-auth.git@master
 djangorestframework>=3.15.2
 djangorestframework-simplejwt==5.3.1