Chore: drop minimum node 14 version to 14.16.1

refs eslint#14592 (comment)

- this will allow the Ghost project to update their version of EsLint without impacting on all of our users

package.json

@@ -144,6 +144,6 @@
   ],
   "license": "MIT",
   "engines": {
-    "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+    "node": "^12.22.0 || ^14.16.1 || >=16.0.0"
   }
 }