chore(deps): bump fumadocs-core from 16.11.5 to 16.13.0 (#2847)

Bumps [fumadocs-core](https://github.com/fuma-nama/fumadocs) from 16.11.5 to 16.13.0.
- [Release notes](https://github.com/fuma-nama/fumadocs/releases)
- [Commits](https://github.com/fuma-nama/fumadocs/compare/fumadocs@16.11.5...fumadocs@16.13.0)

---
updated-dependencies:
- dependency-name: fumadocs-core
  dependency-version: 16.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

apps/site/package.json

@@ -32,7 +32,7 @@
     "@object-ui/react": "workspace:*",
     "@object-ui/types": "workspace:*",
     "@objectstack/spec": "^16.0.0-rc.0",
-    "fumadocs-core": "16.11.5",
+    "fumadocs-core": "16.13.0",
     "fumadocs-mdx": "15.2.0",
     "fumadocs-ui": "16.11.5",
     "lucide-react": "^1.25.0",