Bump django-filter from 2.4.0 to 22.1

Bumps [django-filter](https://github.com/carltongibson/django-filter) from 2.4.0 to 22.1.
- [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...22.1)

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

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

requirements/base.txt

@@ -6,7 +6,7 @@ django-admin-csvexport==1.11
 django-csp==3.7
 django-csp-reports==1.8.1
 django-crispy-forms==1.14.0
-django-filter==21.1
+django-filter==22.1
 djangorestframework==3.14.0
 gunicorn==20.1.0
 gviz_api==1.10.0