Bump clsx from 1.2.1 to 2.1.0 in /website

Bumps [clsx](https://github.com/lukeed/clsx) from 1.2.1 to 2.1.0.
- [Release notes](https://github.com/lukeed/clsx/releases)
- [Commits](lukeed/clsx@v1.2.1...v2.1.0)

---
updated-dependencies:
- dependency-name: clsx
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>