Bump next from 12.0.7 to 13.5.0 in /examples/get-started/nextjs

Bumps [next](https://github.com/vercel/next.js) from 12.0.7 to 13.5.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v12.0.7...v13.5.0)

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

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

examples/get-started/nextjs/package.json

@@ -6,7 +6,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "next": "12.0.7",
+    "next": "13.5.0",
     "react": "17.0.2",
     "react-dom": "17.0.2",
     "react-map-gl": "^7.1.0",