fix wrong monitoring API port

deploy/asapo_services_light/nginx.conf

@@ -41,7 +41,7 @@ http {
           location /tv-api/ {
             rewrite ^/tv-api(/.*) $1 break;
             proxy_http_version 1.1;
-            proxy_pass http://127.0.0.1:8421$uri$is_args$args;
+            proxy_pass http://127.0.0.1:8420$uri$is_args$args;
           }
 
           location /asapo-authorizer/ {