chore(deps): bump @vercel/node from 5.5.23 to 5.6.15

Bumps [@vercel/node](https://github.com/vercel/vercel/tree/HEAD/packages/node) from 5.5.23 to 5.6.15.
- [Release notes](https://github.com/vercel/vercel/releases)
- [Changelog](https://github.com/vercel/vercel/blob/main/packages/node/CHANGELOG.md)
- [Commits](https://github.com/vercel/vercel/commits/@vercel/node@5.6.15/packages/node)

---
updated-dependencies:
- dependency-name: "@vercel/node"
  dependency-version: 5.6.15
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs-site/package.json

@@ -19,7 +19,7 @@
     "@radix-ui/react-tooltip": "^1.2.7",
     "@tailwindcss/postcss": "^4.1.17",
     "@types/prismjs": "^1.26.5",
-    "@vercel/node": "^5.5.23",
+    "@vercel/node": "^5.6.15",
     "@vitejs/plugin-react": "^5.1.1",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",