chore(k8s): router rewrite

- returned to Host matcher instead of Hostregexp
- switched dockercompose labels to letsencrypt
- renamed DoH route

authentik/compose.yaml

@@ -47,7 +47,7 @@ services:
       # Prod Router
       - "traefik.http.routers.authentik-server.rule=Host(`auth.forust.xyz`)"
       - "traefik.http.routers.authentik-server.entrypoints=websecure"
-      - "traefik.http.routers.authentik-server.tls=true"
+      - "traefik.http.routers.authentik-server.tls.certresolver=letsencrypt"
       # Local Router
       - "traefik.http.routers.authentik-server-local.rule=Host(`auth.workstation.internal`)"
       - "traefik.http.routers.authentik-server-local.entrypoints=websecure"