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

- To allow testing dev vers of other services

authentik/compose.yaml

@@ -40,7 +40,7 @@ services:
 
     labels:
       - "traefik.enable=true"
-      - "traefik.docker.network=traefik-proxy"
+      - "traefik.docker.network=proxy"
       # Services
       # - "traefik.http.services.authentik-server.loadbalancer.server.port=9443"
       - "traefik.http.services.authentik-server.loadbalancer.server.port=9000"
@@ -69,7 +69,7 @@ services:
       - ./media:/media
       - ./custom-templates:/templates
     networks:
-      - traefik-proxy
+      - proxy
       - authentik
     depends_on:
       postgresql:
@@ -102,5 +102,5 @@ volumes:
     driver: local
 networks:
   authentik:
-  traefik-proxy:
+  proxy:
     external: true