dependency: (deps): bump django from 5.0.1 to 5.0.6 in /backend

Bumps [django](https://github.com/django/django) from 5.0.1 to 5.0.6.
- [Commits](django/django@5.0.1...5.0.6)

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

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

backend/requirements.txt

@@ -11,7 +11,7 @@ contourpy==1.2.1
 cryptography==41.0.7
 cycler==0.12.1
 distro==1.9.0
-Django==5.0.1
+Django==5.0.6
 django-cors-headers==4.3.1
 django-rest-framework==0.1.0
 djangorestframework==3.14.0