Bump django from 3.2.15 to 4.2.16 in /requirements

Bumps [django](https://github.com/django/django) from 3.2.15 to 4.2.16.
- [Commits](django/django@3.2.15...4.2.16)

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

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

requirements/base.txt

@@ -1,5 +1,5 @@
 bleach==5.0.0
-Django==3.2.15
+Django==4.2.16
 dj-database-url==0.5.0
 django-allauth==0.50.0
 django-contrib-comments==2.1.0