remove engines 24 reuqirement from toolkit and fix test

package-lock.json

@@ -25,9 +25,6 @@
         "@types/node": "^24.1.0",
         "@types/semver": "^6.0.0",
         "typescript": "^5.2.2"
-      },
-      "engines": {
-        "node": ">=24.0.0"
       }
     },
     "node_modules/@actions/core": {

package.json

@@ -3,9 +3,6 @@
   "version": "4.0.5",
   "preview": true,
   "description": "Actions cache lib",
-  "engines": {
-    "node": ">=24.0.0"
-  },
   "keywords": [
     "github",
     "actions",