chore: add changelog and contributors entry

Author: banteg

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Upcoming
+
+### Changed
+
+- Enabled color support in marimo notebooks. https://github.com/Textualize/rich/pull/3651
 
 ## [13.9.4] - 2024-11-01
 

CONTRIBUTORS.md

@@ -5,6 +5,7 @@ The following people have contributed to the development of Rich:
 <!-- Add your name below, sort alphabetically by surname. Link to GitHub profile / your home page. -->
 
 - [Patrick Arminio](https://github.com/patrick91)
+- [banteg](https://github.com/banteg)
 - [Gregory Beauregard](https://github.com/GBeauregard/pyffstream)
 - [Artur Borecki](https://github.com/pufereq)
 - [Pedro Aaron](https://github.com/paaaron)