Bump next from 14.2.5 to 14.2.30 in /site (#10)

Bumps [next](https://github.com/vercel/next.js) from 14.2.5 to 14.2.30.
- [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...v14.2.30)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 14.2.30
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

site/package.json

@@ -20,7 +20,7 @@
     "autoprefixer": "10.4.19",
     "eslint": "8.57.0",
     "eslint-config-next": "14.2.5",
-    "next": "^14.2.5",
+    "next": "^14.2.30",
     "nextra": "^2.13.4",
     "nextra-theme-docs": "^2.13.4",
     "postcss": "^8.4.39",