Update dependency @mdx-js/react to v2

Author: renovate[bot]

package.json

@@ -20,7 +20,7 @@
     "@docusaurus/plugin-google-analytics": "2.2.0",
     "@docusaurus/preset-classic": "2.2.0",
     "@easyops-cn/docusaurus-search-local": "0.33.6",
-    "@mdx-js/react": "1.6.22",
+    "@mdx-js/react": "2.1.5",
     "@tailwindcss/typography": "0.5.8",
     "autoprefixer": "10.4.13",
     "clsx": "1.2.1",