Bump django from 3.2.2 to 4.2.18

Bumps [django](https://github.com/django/django) from 3.2.2 to 4.2.18.
- [Commits](django/django@3.2.2...4.2.18)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,5 +1,5 @@
 bleach==4.1.0 # Pinning bleach until this issue is resolved: https://github.com/marksweb/django-bleach/issues/51
-Django==3.2.2
+Django==4.2.18
 django-allauth==0.50.0
 django-autoslug==1.9.8
 django-bootstrap3==21.1