fix(deps): update dependency react-markdown to v6 (#5300)

website/src/components/markdownify.js

@@ -2,7 +2,7 @@ import React, { Fragment } from 'react';
 import Markdown from 'react-markdown';
 
 function Markdownify({ source }) {
-  return <Markdown renderers={{ root: Fragment, paragraph: Fragment }}>{source}</Markdown>;
+  return <Markdown components={{ '**': Fragment, p: Fragment }}>{source}</Markdown>;
 }
 
 export default Markdownify;