Releasing 3.1.0.

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]
+## [3.1.0] - 2024-07-31
 ### Changed
 - @cyrilverloop/codingame-configuration 1.1.2 => 1.4.1.
 - c8 9.1.0 => 10.1.1.