Release v0.4.0

Author: michaelmior

CHANGELOG.md

@@ -5,6 +5,10 @@ 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).
 
+## 0.4.0 - 2024-02-21
+### Changed
+- Bump to Scala 2.13
+
 ## 0.3.0 - 2024-02-20
 ### Changed
 - Change package coordinates