Bump next from 14.2.5 to 14.2.12 in /website

Bumps [next](https://github.com/vercel/next.js) from 14.2.5 to 14.2.12.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.5...v14.2.12)

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

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

Author: dependabot[bot]

website/package-lock.json

@@ -9,7 +9,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "next": "^14.2.5",
+    "next": "^14.2.12",
     "nextra": "^2.13.4",
     "nextra-theme-docs": "^2.13.4",
     "react": "^18.2.0",