Support node LTS and future "Current" releases (#3195)

Drops support for Node.js 13 and 15.

https://nodejs.org/en/about/releases/

Author: aried3r

package.json

@@ -8,7 +8,7 @@
     "lib/install/config/webpacker.yml"
   ],
   "engines": {
-    "node": ">= 12.13.0 || >=14",
+    "node": "^12.13.0 || ^14 || >=16",
     "yarn": ">=1 <4"
   },
   "dependencies": {