chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
     "@vitest/coverage-v8": "3.2.4",
     "dotenv": "^17.0.0",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.2"
+    "vitest": "^4.0.0"
   },
   "multi-release": {
     "deps": {