Bump next from 13.1.6 to 13.5.0 in /website

Bumps [next](https://github.com/vercel/next.js) from 13.1.6 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@v13.1.6...v13.5.0)

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

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

website/package.json

@@ -17,7 +17,7 @@
     "chart.js": "^4.3.0",
     "eslint": "8.33.0",
     "eslint-config-next": "13.1.6",
-    "next": "13.1.6",
+    "next": "13.5.0",
     "next-themes": "^0.2.1",
     "react": "^18.2.0",
     "react-circular-progressbar": "^2.1.0",