chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -83,7 +83,7 @@
     "typescript": "^5.9.3",
     "unplugin-oxc": "^0.5.3",
     "vite": "^7.1.10",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.3",
     "webpack": "^5.102.1"
   },
   "engines": {