Update the changelog

Author: alessiostalla

CHANGELOG.md

@@ -2,6 +2,11 @@
 All notable changes to this project from version 1.2.0 upwards are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [1.6.28] – 2024-07-08
+
+### Added
+- StarLasu marker interfaces in Lionweb and trace nodes
+
 ## [1.6.27] – 2024-06-20
 
 ### Changed