[SOGo] Update SOGo to 5.5.1

**Includes Database Changes!**

As a preparation for 5.5.2 the database as well as some NGINX Settings have been changed.

docker-compose.yml

@@ -166,7 +166,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.106
+      image: mailcow/sogo:1.107
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}