Bump django-filter from 2.4.0 to 21.1 (#8171)

Bumps [django-filter](https://github.com/carltongibson/django-filter) from 2.4.0 to 21.1.
- [Release notes](https://github.com/carltongibson/django-filter/releases)
- [Changelog](https://github.com/carltongibson/django-filter/blob/main/CHANGES.rst)
- [Commits](carltongibson/django-filter@2.4.0...21.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -27,7 +27,7 @@ django-allauth==0.45.0
 django-appconf==1.0.5
 django-celery-beat==2.2.1
 django-celery-results==2.2.0
-django-filter==2.4.0
+django-filter==21.1
 django-imagekit==4.0.2
 django-taggit==1.5.1
 django-markdownify==0.9.0