Revert SOGo image version

docker-compose.yml

@@ -141,7 +141,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.55
+      image: mailcow/sogo:1.54
       build: ./data/Dockerfiles/sogo
       environment:
         - DBNAME=${DBNAME}