remove engines 24 reuqirement from toolkit and fix test

packages/cache/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": {

packages/cache/package.json

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

packages/core/package-lock.json

@@ -14,9 +14,6 @@
       },
       "devDependencies": {
         "@types/node": "^24.1.0"
-      },
-      "engines": {
-        "node": ">=24.0.0"
       }
     },
     "node_modules/@actions/exec": {

packages/core/package.json

@@ -2,9 +2,6 @@
   "name": "@actions/core",
   "version": "1.11.1",
   "description": "Actions core lib",
-  "engines": {
-    "node": ">=24.0.0"
-  },
   "keywords": [
     "github",
     "actions",

packages/io/__tests__/io.test.ts

@@ -643,9 +643,10 @@ describe('rmRF', () => {
       })
     ).toBe('test file content')
     if (os.platform() === 'win32') {
-      expect(await fs.readlink(symlinkLevel2Directory)).toBe(
-        `${symlinkDirectory}\\`
-      )
+      // Node.js 24 changed behavior - fs.readlink no longer includes trailing backslash
+      // Accept both formats for compatibility
+      const linkPath = await fs.readlink(symlinkLevel2Directory)
+      expect(linkPath.replace(/\\+$/, '')).toBe(symlinkDirectory.replace(/\\+$/, ''))
     } else {
       expect(await fs.readlink(symlinkLevel2Directory)).toBe(symlinkDirectory)
     }