Bump next from 13.2.4 to 14.2.21

Bumps [next](https://github.com/vercel/next.js) from 13.2.4 to 14.2.21.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v13.2.4...v14.2.21)

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

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

package.json

@@ -70,7 +70,7 @@
     "mdast-util-to-string": "3.1.0",
     "mdx-annotations": "0.1.1",
     "monaco-editor": "0.28.1",
-    "next": "13.2.4",
+    "next": "14.2.21",
     "next-mdx-remote": "4.4.1",
     "next-sitemap": "3.1.44",
     "next-usequerystate": "1.7.2",