chore(renovate.json): turn off for Node.js updates

ref:

- xmldom/xmldom#221
- https://github.com/renovatebot/renovate/blob/main/docs/usage/configuration-options.md

Author: Christopher J. Brody

renovate.json

@@ -5,5 +5,11 @@
   "commitMessageExtra": "-> {{#if isMajor}}{{{newMajor}}}{{else}}{{#if isSingleVersion}}{{{toVersion}}}{{else}}{{{newValue}}}{{/if}}{{/if}} - {{prettyDepType}}",
   "commitMessageTopic": "{{depName}}",
   "prHourlyLimit": 0,
-  "rangeStrategy": "bump"
+  "rangeStrategy": "bump",
+  "packageRules": [
+    {
+      "matchPackageNames": ["node"],
+      "enabled": false
+    }
+  ]
 }