Releasing 3.15.0.

Author: cyrilverloop

CHANGELOG.md

@@ -4,7 +4,7 @@ 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).
 
-## [Unreleased]
+## [3.15.0] - 2025-09-30
 ### Changed
 - cyril-verloop/codingame-configuration 1.18.0 => 1.19.0.
 - chai 6.0.1 => 6.2.0.