Bump djangorestframework from 3.10.3 to 3.11.2 in /images/worker_celery

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.10.3 to 3.11.2.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](encode/django-rest-framework@3.10.3...3.11.2)

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

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

images/worker_celery/requirements.txt

@@ -12,7 +12,7 @@ django-cors-headers==2.3.0
 django-environ==0.4.5
 django-filter==2.0.0
 django-rest-auth==0.9.3
-djangorestframework==3.10.3
+djangorestframework==3.11.2
 djangorestframework-gis==0.3
 djangorestframework-simplejwt==3.2.3
 fastkml==0.11