dns: make dns.promises enumerable

PR-URL: #26592
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>

Author: cjihrig

lib/dns.js

@@ -313,7 +313,7 @@ bindDefaultResolver(module.exports, getDefaultResolver());
 Object.defineProperties(module.exports, {
   promises: {
     configurable: true,
-    enumerable: false,
+    enumerable: true,
     get() {
       if (promises === null) {
         promises = require('internal/dns/promises');