chore(deps): bump fumadocs-core from 16.8.12 to 16.9.1

Bumps [fumadocs-core](https://github.com/fuma-nama/fumadocs) from 16.8.12 to 16.9.1.
- [Release notes](https://github.com/fuma-nama/fumadocs/releases)
- [Commits](https://github.com/fuma-nama/fumadocs/compare/fumadocs-core@16.8.12...fumadocs-core@16.9.1)

---
updated-dependencies:
- dependency-name: fumadocs-core
  dependency-version: 16.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

apps/docs/package.json

@@ -16,7 +16,7 @@
     "cf-typegen": "wrangler types --env-interface CloudflareEnv cloudflare-env.d.ts"
   },
   "dependencies": {
-    "fumadocs-core": "16.8.12",
+    "fumadocs-core": "16.9.1",
     "fumadocs-mdx": "15.0.7",
     "fumadocs-ui": "16.8.12",
     "lucide-react": "^1.16.0",