refactor: update network refs form "traefik-proxy" to "proxy"

- To allow testing dev vers of other services

portainer/compose.yaml

@@ -10,10 +10,10 @@ services:
       - 9443:9443
       # - 8000:8000  # Remove if you do not intend to use Edge Agents
     networks:
-      - traefik-proxy
+      - proxy
     labels:
       - "traefik.enable=true"
-      - "traefik.docker.network=traefik-proxy"
+      - "traefik.docker.network=proxy"
 
       # Prod Router
       - "traefik.http.routers.portainer.rule=Host(`portainer.forust.xyz`)"
@@ -50,5 +50,5 @@ volumes:
 networks:
   default:
     name: portainer_network
-  traefik-proxy:
+  proxy:
     external: true