chore(deps): update devdependency vitest to v2

Author: renovate[bot]

package.json

@@ -44,7 +44,7 @@
     "typescript": "^5.1.3",
     "unbuild": "^2.0.0",
     "vite": "^5.2.6",
-    "vitest": "^0.31.4",
+    "vitest": "^2.0.0",
     "webpack": "^5.85.0"
   },
   "build": {