fix path in /app for k8s

hosting/kubernetes/nginx/nginx.conf

@@ -45,7 +45,7 @@ http {
     add_header Content-Security-Policy  "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://cdn.budi.live https://js.intercomcdn.com https://widget.intercom.io; style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://fonts.googleapis.com https://rsms.me; object-src 'none'; base-uri 'self'; connect-src 'self' https://api-iam.intercom.io https://app.posthog.com wss://nexus-websocket-a.intercom.io; font-src 'self' https://cdn.jsdelivr.net https://fonts.gstatic.com https://rsms.me; frame-src 'self'; img-src https: data:; manifest-src 'self'; media-src 'self'; worker-src 'none';" always;
 
     location /app {
-      proxy_pass      http://app-service:4002;
+      proxy_pass      http://app-service.budibase.svc.cluster.local:4002;
       rewrite ^/app/(.*)$ /$1 break;
     }