on fixe la version de snappymail

dockers/snappymail/docker-compose.yml

@@ -1,7 +1,7 @@
 services:
 
   snappymail:
-    image: ghcr.io/waldner/snappymail-docker:latest
+    image: ghcr.io/waldner/snappymail-docker:2.38.2-php8.3.12
     container_name: ${snappymailServName}
     hostname: ${snappymailHost}
     restart: ${restartPolicy}