chore(deps-npm): bump next from 14.2.8 to 14.2.20

Bumps [next](https://github.com/vercel/next.js) from 14.2.8 to 14.2.20.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.8...v14.2.20)

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

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

package.json

@@ -29,7 +29,7 @@
     "@docsearch/react": "^3.6.1",
     "@headlessui/react": "^2.1.10",
     "clsx": "^2.1.1",
-    "next": "^14.2.8",
+    "next": "^14.2.20",
     "next-sitemap": "^4.2.3",
     "nextra": "3.0.3",
     "nextra-theme-docs": "3.0.3",