chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -65,7 +65,7 @@
     "tsdown": "^0.15.12",
     "tsx": "^4.20.6",
     "typescript": "^5.9.3",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.8",
     "vue": "^3.5.22",
     "vue-router": "^4.6.3"
   },