fix(node): dropped support for the EOL Node 18, added support for Node 24

Author: jan-molak

package.json

@@ -57,7 +57,7 @@
     "url": "https://github.com/serenity-js/serenity-js-playwright-ct-react-template/issues"
   },
   "engines": {
-    "node": "^18.12 || ^20 || ^22.0.0 || ^24.0.0"
+    "node": "^20 || ^22.0.0 || ^24.0.0"
   },
   "dependencies": {
   },