build(deps): bump next from 11.1.2 to 12.1.1 in /website

Bumps [next](https://github.com/vercel/next.js) from 11.1.2 to 12.1.1.
- [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/v11.1.2...v12.1.1

)

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

website/package.json

@@ -41,7 +41,7 @@
     "@hashicorp/react-use-cases": "^5.0.0",
     "@hashicorp/react-vertical-text-block-list": "^7.0.0",
     "marked": "0.7.0",
-    "next": "^11.1.2",
+    "next": "^12.1.1",
     "next-mdx-remote": "3.0.1",
     "next-remote-watch": "^1.0.0",
     "nuka-carousel": "4.7.7",