Bump django from 3.0.2 to 4.2.16 in /src

Bumps [django](https://github.com/django/django) from 3.0.2 to 4.2.16.
- [Commits](django/django@3.0.2...4.2.16)

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

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

src/requirements.txt

@@ -1,6 +1,6 @@
 celery==4.4.7
 dj-database-url==0.5.0
-Django==3.0.2
+Django==4.2.16
 django-filter==2.2.0
 djangorestframework==3.11.0
 jsonfield2==3.1.0