chore: add Watchtower label to prevent automatic updates in docker-compose.yml

docker-compose.yml

@@ -21,6 +21,8 @@ services:
       peakskills-postgres:
         condition: service_healthy
     restart: unless-stopped
+    labels:
+      - "com.centurylinklabs.watchtower.enable=false"
 
   peakskills-postgres:
     image: postgres:15