fix: update qui port for v0.3.0 change

qui.subfolder.conf.sample

@@ -1,4 +1,4 @@
-## Version 2025/08/23
+## Version 2025/08/28
 # make sure that your qui container is named qui
 # make sure that qui is set to work with the base url /qui/
 
@@ -24,7 +24,7 @@ location ^~ /qui/ {
     include /config/nginx/proxy.conf;
     include /config/nginx/resolver.conf;
     set $upstream_app qui;
-    set $upstream_port 8080;
+    set $upstream_port 7476;
     set $upstream_proto http;
     proxy_pass $upstream_proto://$upstream_app:$upstream_port;