[SOGo] Update to 5.4.0 (#4397)

docker-compose.yml

@@ -164,7 +164,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.104
+      image: mailcow/sogo:1.105
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}