Build(deps): bump django from 4.2.15 to 4.2.17 in /backend

Bumps [django](https://github.com/django/django) from 4.2.15 to 4.2.17.
- [Commits](django/django@4.2.15...4.2.17)

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

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

backend/requirements.txt

@@ -15,7 +15,7 @@ constantly==15.1.0
 cryptography==42.0.4
 defusedxml==0.7.1
 dj-rest-auth==3.0.0
-Django==4.2.15
+Django==4.2.17
 django-allauth==0.52.0
 django-cors-headers==3.14.0
 django-filter==23.1