version bump (#3770)

* version bump

* changelog

Author: willmcgugan

CHANGELOG.md

@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
-## Unreleased
+## [0.43.0] - 2023-11-28
 
 ### Fixed
 
@@ -1460,6 +1460,7 @@ https://textual.textualize.io/blog/2022/11/08/version-040/#version-040
 - New handler system for messages that doesn't require inheritance
 - Improved traceback handling
 
+[0.43.0]: https://github.com/Textualize/textual/compare/v0.42.0...v0.43.0
 [0.42.0]: https://github.com/Textualize/textual/compare/v0.41.0...v0.42.0
 [0.41.0]: https://github.com/Textualize/textual/compare/v0.40.0...v0.41.0
 [0.40.0]: https://github.com/Textualize/textual/compare/v0.39.0...v0.40.0

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "0.42.0"
+version = "0.43.0"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"