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

- To allow testing dev vers of other services

uptime-kuma/compose.yaml

@@ -10,7 +10,7 @@ services:
       - "3001:3001"
     labels:
       - "traefik.enable=true"
-      - "traefik.docker.network=traefik-proxy"
+      - "traefik.docker.network=proxy"
 
       # Prod Router
       - "traefik.http.routers.uptime-kuma.rule=Host(`uptime.forust.xyz`)"
@@ -28,7 +28,7 @@ services:
       - "traefik.http.routers.uptime-kuma-dev.entrypoints=websecure"
       - "traefik.http.routers.uptime-kuma-dev.tls=true"
     networks:
-      - traefik-proxy
+      - proxy
 networks:
-  traefik-proxy:
+  proxy:
     external: true