📝 Update release notes

[skip ci]

Author: github-actions

docs/release-notes.md

@@ -4,6 +4,7 @@
 
 ### Features
 
+* ✨ Render Rich markup as HTML in Markdown docs. PR [#847](https://github.com/fastapi/typer/pull/847) by [@svlandeg](https://github.com/svlandeg).
 * ✨ Support cp850 encoding for auto-completion in PowerShell. PR [#808](https://github.com/fastapi/typer/pull/808) by [@svlandeg](https://github.com/svlandeg).
 * ✨ Allow gettext translation of help message. PR [#886](https://github.com/fastapi/typer/pull/886) by [@svlandeg](https://github.com/svlandeg).