chore(deps): update dependency vitest to v3

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "@types/react-dom": "18.3.7",
     "typescript": "5.8.3",
     "vite": "5.4.19",
-    "vitest": "2.1.9",
+    "vitest": "3.1.4",
     "wrangler": "3.114.8"
   }
 }