chore: update Node.js engine requirement to version 20 or higher

Author: 4gray

package.json

@@ -143,7 +143,7 @@
     "wait-on": "6.0.0"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=20.0.0"
   },
   "browserslist": [
     "chrome 91"