Merge pull request #1455 from Textualize/bump-rich-dependency

version bump

Author: willmcgugan

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [0.9.0] - Unreleased
+## [0.9.0] - 2022-12-30
 
 ### Added
 
@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Widget.render_line now returns a Strip
 - Fix for slow updates on Windows
+- Bumped Rich dependency 
 
 ## [0.8.2] - 2022-12-28