chore(deps): update next requirement from ^15.1.4 to ^15.1.6

Updates the requirements on [next](https://github.com/vercel/next.js) to permit the latest version.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.1.4...v15.1.6)

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

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

package.json

@@ -3,7 +3,7 @@
   "dependencies": {
     "clsx": "^2.1.1",
     "embla-carousel-react": "^8.5.2",
-    "next": "^15.1.4",
+    "next": "^15.1.6",
     "next-intl": "^3.26.3",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",