Merge pull request #292 from mcabrams/renovate/celery-4.x

Update dependency celery to v4.4.2

Author: mcabrams

{{ cookiecutter.project_slug }}/server/requirements.txt

@@ -21,7 +21,7 @@ redis==3.4.1
 django-redis==4.11.0
 
 # Celery
-celery==4.4.1
+celery==4.4.2
 
 ############
 # Production