Bump @mdx-js/react from 1.6.22 to 2.1.0

Bumps [@mdx-js/react](https://github.com/mdx-js/mdx/tree/HEAD/packages/react) from 1.6.22 to 2.1.0.
- [Release notes](https://github.com/mdx-js/mdx/releases)
- [Changelog](https://github.com/mdx-js/mdx/blob/main/changelog.md)
- [Commits](https://github.com/mdx-js/mdx/commits/2.1.0/packages/react)

---
updated-dependencies:
- dependency-name: "@mdx-js/react"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/artplayer-document/package.json

@@ -17,7 +17,7 @@
     "dependencies": {
         "@docusaurus/core": "2.0.0-beta.15",
         "@docusaurus/preset-classic": "2.0.0-beta.15",
-        "@mdx-js/react": "^1.6.22",
+        "@mdx-js/react": "^2.1.0",
         "@svgr/webpack": "^6.1.0",
         "clsx": "^1.1.1",
         "docusaurus-lunr-search": "^2.1.15",