chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -98,7 +98,7 @@
     "tsx": "^4.20.5",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.43.0",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.0"
   },
   "peerDependencies": {
     "react": "^18.0.0 || ^19.0.0",