Updating docker radicale to 3.1.8.3

dav.yaml

@@ -17,7 +17,7 @@ spec:
         app: dav
     spec:
       containers:
-        - image: tomsquest/docker-radicale:3.1.8.0
+        - image: tomsquest/docker-radicale:3.1.8.3
           name: radicale
           imagePullPolicy: IfNotPresent
           ports: