chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -74,7 +74,7 @@
     "rimraf": "6.1.0",
     "tsdown": "0.16.5",
     "typescript": "5.9.3",
-    "vitest": "3.2.4",
+    "vitest": "4.0.14",
     "vitest-fetch-mock": "0.4.5"
   },
   "packageManager": "[email protected]"