chore: adds support for IPv6 in nginx (#6955) (#6960)

(cherry picked from commit 89f1461)

Author: wanis-fahmy

config-ui/nginx.conf

@@ -1,5 +1,6 @@
 server {
   listen 4000;
+  listen [::]:4000;
   server_name localhost;
   absolute_redirect off;
   client_max_body_size 20m;