chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -83,7 +83,7 @@
     "tsx": "^4.20.6",
     "typescript": "^5.9.3",
     "vite": "^7.1.9",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.7"
   },
   "engines": {
     "node": ">=20.19.0"