fix(deploy): rename cloudflared service to avoid DNS collision

Multiple projects using the same service name on a shared Docker network
causes DNS resolution conflicts. Renamed to 'tunnel' for uniqueness.

deploy/docker-compose.yml

@@ -14,7 +14,7 @@ services:
     networks:
       - public-network
 
-  cloudflared:
+  tunnel:
     image: cloudflare/cloudflared:latest
     container_name: py-dvt-ate-tunnel
     restart: unless-stopped