chore(deps): update dependency vitest to v4

Author: renovate[bot]

package.json

@@ -144,7 +144,7 @@
         "tsx": "^4.16.5",
         "typescript": "^5.8.3",
         "typescript-eslint": "^8.31.0",
-        "vitest": "^3.0.0"
+        "vitest": "^4.0.0"
     },
     "volta": {
         "node": "22.20.0",