chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -30,14 +30,14 @@
   },
   "devDependencies": {
     "@types/node": "^20.12.8",
-    "@vitest/coverage-v8": "^1.5.3",
+    "@vitest/coverage-v8": "^4.0.4",
     "changelogen": "^0.5.5",
     "eslint": "^8.57.0",
     "eslint-config-unjs": "^0.2.1",
     "prettier": "^3.2.5",
     "typescript": "^5.4.5",
     "unbuild": "^2.0.0",
-    "vitest": "^1.5.3"
+    "vitest": "^4.0.4"
   },
   "packageManager": "pnpm@9.0.6"
 }