Default to php 8.3 in nginx

Author: JeroenBoersma

build/dist/web/nginx/backends.conf

@@ -1,5 +1,5 @@
 upstream fastcgi_backend {
-    server php74:9000;
+    server php83:9000;
 }
 #upstream fastcgi56_backend {
 #    server php56:9000;