build(deps-dev): bump next from 12.3.1 to 13.0.0 in /website

Bumps [next](https://github.com/vercel/next.js) from 12.3.1 to 13.0.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/compare/v12.3.1...v13.0.0

)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:development
  update-type: version-update:semver-major
...
Signed-off-by: dependabot[bot] <support@github.com>

website/package.json

@@ -11,7 +11,7 @@
     "@hashicorp/platform-cli": "^2.3.0",
     "dart-linkcheck": "2.0.15",
     "husky": "4.3.8",
-    "next": "^12.3.1",
+    "next": "^13.0.0",
     "prettier": "2.2.1"
   },
   "husky": {