chore: bump clsx from 1.1.1 to 1.2.1 in /website (#909)

Bumps [clsx](https://github.com/lukeed/clsx) from 1.1.1 to 1.2.1.
- [Release notes](https://github.com/lukeed/clsx/releases)
- [Commits](lukeed/clsx@v1.1.1...v1.2.1)

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

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Author: dependabot[bot]

website/package-lock.json

@@ -18,7 +18,7 @@
     "@docusaurus/preset-classic": "^2.0.0-beta.21",
     "@mdx-js/react": "^1.6.21",
     "@svgr/webpack": "^6.2.1",
-    "clsx": "^1.1.1",
+    "clsx": "^1.2.1",
     "file-loader": "^6.2.0",
     "react": "^17.0.0",
     "react-dom": "^17.0.0",