Merge pull request #34 from acelaya-forks/feature/update-changelog

Add v3.1.0 to changelog

Author: acelaya

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), and this project adheres to [Semantic Versioning](https://semver.org).
 
-## [Unreleased]
+## [3.1.0] - 2024-07-22
 ### Added
 * Support `laminas/laminas-servicemanager` >=4.2