chore(deps): bump next from 15.1.5 to 15.2.3 in /packages/docs

Bumps [next](https://github.com/vercel/next.js) from 15.1.5 to 15.2.3.
- [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...v15.2.3)

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

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

Author: dependabot[bot]

packages/docs/package.json

@@ -44,7 +44,7 @@
     "fumadocs-mdx": "^11.4.1",
     "fumadocs-ui": "^14.7.7",
     "lucide-react": "^0.473.0",
-    "next": "15.1.5",
+    "next": "15.2.3",
     "nuqs": "workspace:*",
     "pretty-bytes": "^6.1.1",
     "react": "catalog:react19",