[fix] Exclude local Keycloak image from Diun

projects/keycloak/compose.yaml.mako

@@ -3,6 +3,8 @@ services:
     container_name: keycloak
     build: .
     image: localhost/keycloak:latest
+    labels:
+      - "diun.enable=false"
     network_mode: pasta:-a,${env['pasta']['keycloak']['ipv4']},-a,${env['pasta']['keycloak']['ipv6']}
     restart: always
     user: ${env['users']['keycloak']}:${env['users']['keycloak']}