chore(deps): update devdependency @nuxt/test-utils to v4

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
   "devDependencies": {
     "@babel/preset-env": "^7.12.11",
     "@babel/preset-typescript": "^7.12.7",
-    "@nuxt/test-utils": "^0.1.2",
+    "@nuxt/test-utils": "^4.0.3",
     "@nuxt/types": "^2.14.12",
     "@nuxtjs/eslint-config-typescript": "^5.0.0",
     "@types/markdown-it": "^12.0.1",