Bump next from 12.0.9 to 12.1.0 (tailwindlabs#247)

Bumps [next](https://github.com/vercel/next.js) from 12.0.9 to 12.1.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v12.0.9...v12.1.0)

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

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