Update dependency vitest to v4.0.8

Author: renovate[bot]

package.json

@@ -19,7 +19,7 @@
     "@vercel/ncc": "0.38.4",
     "pnpm": "10.20.0",
     "typescript": "5.9.3",
-    "vitest": "4.0.6"
+    "vitest": "4.0.8"
   },
   "engines": {
     "node": "20.x"