Update ChangeLog

Author: flashcode

CHANGELOG.md

@@ -6,6 +6,18 @@ SPDX-License-Identifier: GPL-3.0-or-later
 
 # Msgcheck ChangeLog
 
+## Version 4.2.0 (under dev)
+
+### Added
+
+- Add official pre-commit hook
+
+### Changed
+
+- Use uv for packaging
+- Use ruff and ty linters
+- Improve typing annotations, Python 3.9 is now required
+
 ## Version 4.1.0 (2024-10-23)
 
 ### Changed