doc: update CHANGELOG.md

Author: tomsquest

CHANGELOG.md

@@ -4,6 +4,12 @@ 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).
 
+## [1.6.1] - 2025-07-20
+
+### Changed
+
+- Clean up published files
+
 ## [1.6.0] - 2025-07-19
 
 ### Added