build(deps): bump fumadocs-ui from 15.6.12 to 15.7.7

Bumps [fumadocs-ui](https://github.com/fuma-nama/fumadocs) from 15.6.12 to 15.7.7.
- [Release notes](https://github.com/fuma-nama/fumadocs/releases)
- [Commits](https://github.com/fuma-nama/fumadocs/compare/[email protected]@15.7.7)

---
updated-dependencies:
- dependency-name: fumadocs-ui
  dependency-version: 15.7.7
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -17,7 +17,7 @@
     "@types/mdx": "^2.0.13",
     "fumadocs-core": "^15.6.9",
     "fumadocs-mdx": "^11.8.0",
-    "fumadocs-ui": "^15.6.12",
+    "fumadocs-ui": "^15.7.7",
     "lucide-react": "^0.525.0",
     "mdx": "^0.3.1",
     "next": "^15.5.0",