Update docker-compose.yml

fix tag

examples/chevereto/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.7"
 
 services:
   chevereto:
-    image: ghcr.io/chevereto/chevereto:latest
+    image: ghcr.io/chevereto/chevereto:4.0
     container_name: chevereto
     init: true
     restart: unless-stopped