chore(deps): update dependency vitest to v4

Author: renovate[bot]

pnpm-lock.yaml

@@ -12,7 +12,7 @@
     "typescript": "5.9.3",
     "typescript-eslint": "8.46.3",
     "ufo": "1.6.1",
-    "vitest": "3.2.4"
+    "vitest": "4.0.7"
   },
   "engines": {
     "node": "^24.0.0"