lock celery version

Author: T4rk1n

requirements/celery.txt

@@ -1,3 +1,3 @@
 # Dependencies used by the CeleryLongCallbackManager
-redis>=3.5.3
-celery[redis]>=5.1.2
+redis>=3.5.3,<=5.0.4
+celery[redis]>=5.1.2,<=5.5.2