Merge pull request #95 from chrisweb/preview

use new rehype-github-alerts v4.1.0

Author: chrisweb

package-lock.json

@@ -55,7 +55,7 @@
         "react-dom": "canary",
         "react-swipeable": "7.0.2",
         "rehype-autolink-headings": "7.1.0",
-        "rehype-github-alerts": "3.0.0",
+        "rehype-github-alerts": "4.1.0",
         "rehype-mdx-import-media": "1.2.0",
         "rehype-pretty-code": "0.14.0",
         "rehype-slug": "6.0.0",