chore(deps): update dependency vitest to v4 (#59)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -46,7 +46,7 @@
     "unplugin-vue": "^7.0.2",
     "vite": "^7.1.9",
     "vite-plugin-inspect": "^11.3.3",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.6",
     "vue": "^3.5.22",
     "vue-tsc": "^3.1.1"
   },