chore(deps): update dependency github-markdown-css to v5.5.0

Author: renovate[bot]

packages/footnote/index.html

@@ -7,8 +7,8 @@
 
     <link
       rel="stylesheet"
-      href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.4.0/github-markdown-light.min.css"
-      integrity="sha512-kDjsFiusauOzRWlNNk7R5nFRVUPFlZjIqI3F0/DYUO9Uz93R0V4zNfrWGSKFtZvHnTIsoM3GwDaqQBJt8ZVt6w=="
+      href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.5.0/github-markdown-light.min.css"
+      integrity="sha512-Pmhg2i/F7+5+7SsdoUqKeH7UAZoVMYb1sxGOoJ0jWXAEHP0XV2H4CITyK267eHWp2jpj7rtqWNkmEOw1tNyYpg=="
       crossorigin="anonymous"
       referrerpolicy="no-referrer"
     />