infra: Update frontend deployment config

infra/deployment/config/xsnexplorer.io

@@ -10,17 +10,17 @@ server {
   # the backend api
   location /api/ltc {
     rewrite ^/api/ltc/(.*) /$1 break;
-    proxy_pass http://18.222.26.185:9000;
+    proxy_pass http://10.136.151.203:9000;
   }
 
   location /api/xsn {
     rewrite ^/api/xsn/(.*) /$1 break;
-    proxy_pass http://18.224.5.222:9000;
+    proxy_pass http://10.136.160.52:9000;
   }
 
   location /api {
     rewrite ^/api/(.*) /$1 break;
-    proxy_pass http://18.224.5.222:9000;
+    proxy_pass http://10.136.160.52:9000;
   }
 
   # caching static assets