chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -62,7 +62,7 @@
   "devDependencies": {
     "@changesets/cli": "^2.27.9",
     "@types/node": "^22.8.1",
-    "@vitest/coverage-v8": "^2.1.3",
+    "@vitest/coverage-v8": "^4.0.6",
     "automd": "^0.3.12",
     "changelogen": "^0.5.7",
     "eslint": "^9.13.0",
@@ -71,6 +71,6 @@
     "prettier": "^3.3.3",
     "typescript": "^5.6.3",
     "unbuild": "^3.0.0-rc.7",
-    "vitest": "^2.1.3"
+    "vitest": "^4.0.6"
   }
 }