Update rq requirement from <2.1 to <2.2 in /requirements

Updates the requirements on [rq](https://github.com/rq/rq) to permit the latest version.
- [Release notes](https://github.com/rq/rq/releases)
- [Changelog](https://github.com/rq/rq/blob/master/CHANGES.md)
- [Commits](rq/rq@0.1.0...v2.1)

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

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

requirements/base.txt

@@ -11,5 +11,5 @@ requests==2.32.3
 psycopg2-binary==2.9.10
 django-autocomplete-light==3.11.0
 django-rq==3.0.0
-rq<2.1
+rq<2.2
 setuptools==75.6.0