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

- To allow testing dev vers of other services

adguardhome/compose.yaml

@@ -15,10 +15,10 @@ services:
       - ./data/work:/opt/adguardhome/work
       - ./data/conf:/opt/adguardhome/conf
     networks:
-      - traefik-proxy
+      - proxy
     labels:
       - "traefik.enable=true"
-      - "traefik.docker.network=traefik-proxy"
+      - "traefik.docker.network=proxy"
 
       # Prod Router
       - "traefik.http.routers.adguard.rule=Host(`adguard.forust.xyz`)"
@@ -46,5 +46,5 @@ services:
       - glance.url=https://adguard.forust.xyz/
       - glance.description=AdGuard Home is a network-wide software for blocking ads.
 networks:
-  traefik-proxy:
+  proxy:
     external: true