chore: upgrades minimum nodejs version to >=16.20.1

package.json

@@ -10,7 +10,7 @@
     "require": "./dist/cjs/index.cjs"
   },
   "engines": {
-    "node": ">=14.20.1"
+    "node": ">=16.20.1"
   },
   "scripts": {
     "lint": "eslint ./src",