chore: 清理 package.json，移除 engines 字段，调整版本检测插件格式

Author: cklwblove

package.json

@@ -6,7 +6,7 @@
     "plugin",
     "web-update",
     "notification",
-    "version-detection", 
+    "version-detection",
     "update-notification",
     "winner-fed",
     "winjs-dev",
@@ -76,10 +76,6 @@
       "optional": true
     }
   },
-  "engines": {
-    "node": ">=22",
-    "pnpm": ">=10"
-  },
   "publishConfig": {
     "access": "public",
     "registry": "https://registry.npmjs.org/"