Bump django-rq from 1.2.0 to 2.4.1

Bumps [django-rq](https://github.com/rq/django-rq) from 1.2.0 to 2.4.1.
- [Release notes](https://github.com/rq/django-rq/releases)
- [Changelog](https://github.com/rq/django-rq/blob/master/CHANGELOG.md)
- [Commits](rq/django-rq@v1.2.0...v2.4.1)

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

Author: dependabot[bot]

requirements.txt

@@ -9,7 +9,7 @@ redis==2.10.6
 docker==4.3.1
 Django==2.2.22
 rq==0.12.0
-django-rq==1.2.0
+django-rq==2.4.1
 rq-scheduler==0.8.3
 -e git+https://github.com/istrategylabs/django-rq-scheduler.git@fa76c6ac71068c304aa14ab9df7b13a4b972132e#egg=django-rq-scheduler
 django-livesync==0.5