Fix 502

ref: 57bb340343

roles/matrix-nginx-proxy/templates/nginx/conf.d/matrix-ntfy.conf.j2

@@ -21,7 +21,7 @@
 		{% if matrix_nginx_proxy_enabled %}
 			{# Use the embedded DNS resolver in Docker containers to discover the service #}
 			resolver 127.0.0.11 valid=5s;
-			set $backend "matrix-ntfy:80";
+			set $backend "matrix-ntfy:8080";
 			proxy_pass http://$backend;
 		{% else %}
 			{# Generic configuration for use outside of our container setup #}