Update Node.js to v14.4.0 (#385)

Author: renovate-bot

package.json

@@ -90,7 +90,7 @@
     "singleQuote": true
   },
   "volta": {
-    "node": "14.3.0",
+    "node": "14.4.0",
     "yarn": "1.22.4"
   },
   "publishConfig": {