chore: specify pacakgeManager in package.json

Author: yusukebe

package.json

@@ -144,10 +144,11 @@
     "vite-tsconfig-paths": "^5.1.4",
     "vitest": "^3.0.3"
   },
+  "packageManager": "[email protected]",
   "engines": {
     "node": ">=18.14.1"
   },
   "optionalDependencies": {
     "@rollup/rollup-linux-x64-gnu": "^4.9.6"
   }
-}
+}