Merge pull request #133 from HackSoftware/dependabot/pip/celery-5.2.6

Bump celery from 5.2.3 to 5.2.6

Author: RadoRado

requirements/base.txt

@@ -3,7 +3,7 @@ django-environ==0.8.1
 psycopg2==2.9.3
 djangorestframework==3.13.1
 
-celery==5.2.3
+celery==5.2.6
 django-celery-results==2.3.0
 django-celery-beat==2.2.1