Bump django-filter from 21.1 to 22.1

Bumps [django-filter](https://github.com/carltongibson/django-filter) from 21.1 to 22.1.
- [Release notes](https://github.com/carltongibson/django-filter/releases)
- [Changelog](https://github.com/carltongibson/django-filter/blob/main/CHANGES.rst)
- [Commits](https://github.com/carltongibson/django-filter/compare/21.1...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.txt

@@ -4,7 +4,7 @@ django-annoying==0.10.6
 django-autocomplete-light==3.9.4
 django-cleanup==6.0.0
 django-crispy-forms==1.14.0
-django-filter==21.1
+django-filter==22.1
 django-tables2==2.4.1
 djangorestframework==3.13.1
 drf-writable-nested==0.6.3
@@ -43,5 +43,5 @@ python-ldap==3.4.0
 django-auth-ldap==4.1.0
 pytest-factoryboy==2.4.0
 pyppeteer==1.0.2
-validators==0.19.0
+validators==0.20.0
 pytube==12.0.0