Bump django-cleanup from 8.1.0 to 9.0.0 in /requirements

Bumps [django-cleanup](https://github.com/un1t/django-cleanup) from 8.1.0 to 9.0.0.
- [Changelog](https://github.com/un1t/django-cleanup/blob/master/CHANGELOG.md)
- [Commits](un1t/django-cleanup@8.1.0...9.0.0)

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

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

requirements/main.txt

@@ -1,7 +1,7 @@
 channels[daphne]==4.0.0
 diskcache==5.6.3
 django==3.2.25
-django-cleanup==8.1.0
+django-cleanup==9.0.0
 django-compression-middleware==0.5.0
 django-compressor==4.4
 django-htmlmin==0.11.0