Bump next from 15.3.2 to 16.1.5

Bumps [next](https://github.com/vercel/next.js) from 15.3.2 to 16.1.5.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.3.2...v16.1.5)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -20,7 +20,7 @@
     "fumadocs-openapi": "^9.0.4",
     "fumadocs-ui": "15.4.2",
     "lucide-react": "^0.511.0",
-    "next": "15.3.2",
+    "next": "16.1.5",
     "prettier": "^3.5.3",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",