chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -54,7 +54,7 @@
     "nuxtjs-drupal-ce": "^2.5.0-rc.2",
     "playwright-core": "^1.48.0",
     "typescript": "~5.9.0",
-    "vitest": "^3.2.3",
+    "vitest": "^4.0.0",
     "vue-tsc": "^2.2.10"
   }
 }