chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -27,7 +27,7 @@
     "@nuxt/test-utils": "^3.20.1",
     "@types/node": "^24.10.0",
     "@types/semver": "^7.7.1",
-    "@vitest/coverage-v8": "^3.2.4",
+    "@vitest/coverage-v8": "^4.0.6",
     "changelogen": "^0.6.2",
     "eslint": "^9.39.0",
     "knip": "^5.67.1",
@@ -37,7 +37,7 @@
     "std-env": "^3.10.0",
     "tinyexec": "^1.0.1",
     "typescript": "^5.9.3",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.6",
     "vue": "^3.5.22"
   },
   "resolutions": {

packages/nuxi/package.json

@@ -71,7 +71,7 @@
     "typescript": "^5.9.3",
     "ufo": "^1.6.1",
     "unplugin-purge-polyfills": "^0.1.0",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.6",
     "youch": "^4.1.0-beta.12"
   }
 }

packages/nuxt-cli/package.json

@@ -73,7 +73,7 @@
     "typescript": "^5.9.3",
     "undici": "^7.16.0",
     "unplugin-purge-polyfills": "^0.1.0",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.6",
     "youch": "^4.1.0-beta.12"
   }
 }