test: trivial no-op change to verify PR checks

Adds a trailing newline to README.md purely to trigger PR checks and
confirm whether the Snyk check still runs on this repo. To be closed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: Rachel-Codat

README.md

@@ -59,3 +59,4 @@ Updates feed: <https://codat-docs.vercel.app/updates/rss.xml>
 ---
 
 Built with [Docusaurus](https://docusaurus.io/).
+