Bump next from 16.2.2 to 16.2.3 in /apps/next-docs

Bumps [next](https://github.com/vercel/next.js) from 16.2.2 to 16.2.3.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.2.2...v16.2.3)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.2.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

apps/next-docs/package.json

@@ -33,7 +33,7 @@
   "dependencies": {
     "@primer/doctocat-nextjs": "0.10.0",
     "@primer/octicons-react": "19.23.1",
-    "next": "16.2.2",
+    "next": "16.2.3",
     "react": "19.2.4",
     "react-dom": "19.2.4"
   },