chore(deps): update vitest monorepo to v4 (major) (#683)

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

Author: renovate[bot]

package.json

@@ -68,7 +68,7 @@
     "@nuxt/schema": "^4.2.0",
     "@types/node": "^22.18.12",
     "@types/semver": "^7.7.1",
-    "@vitest/coverage-v8": "^3.2.4",
+    "@vitest/coverage-v8": "^4.0.3",
     "changelogen": "^0.6.2",
     "eslint": "^9.38.0",
     "installed-check": "^9.3.0",
@@ -80,7 +80,7 @@
     "semver": "^7.7.3",
     "tinyexec": "^1.0.1",
     "typescript": "~5.9.3",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.3",
     "vue": "^3.5.22",
     "vue-tsc": "^3.1.1"
   },