chore(deps): bump next from 15.1.5 to 15.1.6

Bumps [next](https://github.com/vercel/next.js) from 15.1.5 to 15.1.6.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.1.5...v15.1.6)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -53,7 +53,7 @@
   "dependencies": {
     "@cookbookdev/docsbot": "^4.24.10",
     "clsx": "2.1.1",
-    "next": "15.1.5",
+    "next": "15.1.6",
     "next-sitemap": "4.2.3",
     "next-themes": "0.4.4",
     "nextra": "2.13.4",