chore(deps): bump next

Bumps [next](https://github.com/vercel/next.js) from 15.5.11 to 15.5.14.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.5.11...v15.5.14)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.5.14
  dependency-type: direct:production
...

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

Author: dependabot[bot]

examples/next/client-multisite-app-router-fetch-data/example-app/package-lock.json

@@ -10,7 +10,7 @@
     "prettier": "prettier --write ."
   },
   "dependencies": {
-    "next": "^15.5.8",
+    "next": "^15.5.14",
     "prettier": "^3.5.3",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"