## Problem
We'd like to update react to `19` but many of our dependencies don't
support it.
## Solution
Update those dependencies. This PR focuses on `react-markdown`
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Chores**
* Upgraded react-markdown to 10.1.0 (and remark-gfm to 4.0.0) across
projects for improved Markdown support.
* **Style**
* Adjusted Markdown rendering so typography and spacing are applied via
surrounding containers, improving consistent styling across docs and UI.
* **New Content**
* Added a new RSS feed item for a recent blog post.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Gildas Garcia
0395fd969f