Update changelog

Author: kahoona77

CHANGELOG.md

@@ -5,6 +5,8 @@ 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).
 
 ## [Unreleased]
+
+## [v3.9.0-4] - 2025-02-12
 ### Changed
 - [#32] Update Makefiles to 9.5.0
 - [#36] exit with error if `logging/root` is invalid