add changelog for 4.2.0

CHANGELOG.md

@@ -10,6 +10,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [Unreleased]
 
 
+## [4.2.0] - 2023-08-16
+
+### Added
+
+- Teller object to help legacy applications
+
+
 ## [4.1.1] - 2023-04-11
 
 ### Fixed
@@ -461,6 +468,7 @@ convert a float to string (e.g. `sprintf('%.14F', $float)`) before calling the c
 - 2012-12-10 Renamed Money::getUnits() to Money::getAmount()
 
 [Unreleased]: https://github.com/moneyphp/money/compare/v4.1.1...HEAD
+[4.2.0]: https://github.com/moneyphp/money/compare/v4.1.1...v4.2.0
 [4.1.1]: https://github.com/moneyphp/money/compare/v4.1.0...v4.1.1
 [4.1.0]: https://github.com/moneyphp/money/compare/v4.0.5...v4.1.0
 [4.0.5]: https://github.com/moneyphp/money/compare/v4.0.4...v4.0.5