compose: bump watchdog image

docker-compose.yml

@@ -462,7 +462,7 @@ services:
         - /lib/modules:/lib/modules:ro
 
     watchdog-mailcow:
-      image: mailcow/watchdog:2.03
+      image: mailcow/watchdog:2.04
       dns:
         - ${IPV4_NETWORK:-172.22.1}.254
       tmpfs: