Update dependency vitest to v4

Author: cnap-tech-renovate[bot]

package.json

@@ -62,7 +62,7 @@
     "tsup": "^8.4.0",
     "tsx": "^4.21.0",
     "typescript": "^5.7.3",
-    "vitest": "^3.0.5",
+    "vitest": "^4.0.0",
     "zod": "^4.0.0"
   },
   "pnpm": {