build(deps): bump next from 13.5.6 to 14.0.3 in /docs

Bumps [next](https://github.com/vercel/next.js) from 13.5.6 to 14.0.3.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v13.5.6...v14.0.3)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

docs/package.json

@@ -5,7 +5,7 @@
 		"build": "next build && next export"
 	},
 	"dependencies": {
-		"next": "^13.4.19",
+		"next": "^14.0.3",
 		"nextra": "^2.12.3",
 		"nextra-theme-docs": "^2.12.3",
 		"react": "^18.2.0",