fix(deps): update dependency remark-mdx to v2

Author: renovate-bot

generators/readme/package.json

@@ -28,7 +28,7 @@
     "rcfile": "1.0.3",
     "react-docgen": "5.4.0",
     "remark-gfm": "1.0.0",
-    "remark-mdx": "1.6.22",
+    "remark-mdx": "2.1.1",
     "remark-parse": "9.0.0",
     "remark-stringify": "9.0.1",
     "shelljs": "0.8.5",