chore(deps): update devdependency vitest to v4

Author: renovate[bot]

package.json

@@ -170,7 +170,7 @@
     "happy-dom": "^20.0.8",
     "nuxt": "^4.2.0",
     "release-it": "^19.0.5",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.3",
     "vitest-axe": "^0.1.0",
     "vitest-environment-nuxt": "^1.0.1",
     "vue-tsc": "^3.1.2"