chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -115,7 +115,7 @@
   "devDependencies": {
     "@clack/prompts": "^0.10.0",
     "@types/node": "^22.13.10",
-    "@vitest/coverage-v8": "^3.0.9",
+    "@vitest/coverage-v8": "^4.0.14",
     "changelogen": "^0.6.1",
     "defu": "^6.1.4",
     "eslint": "^9.22.0",
@@ -127,7 +127,7 @@
     "string-width": "^7.2.0",
     "typescript": "^5.8.2",
     "unbuild": "^3.5.0",
-    "vitest": "^3.0.9"
+    "vitest": "^4.0.14"
   },
   "engines": {
     "node": "^14.18.0 || >=16.10.0"