Updated the CHANGELOG

CHANGELOG.md

@@ -5,8 +5,10 @@ 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).
 
-## [v0.12.5](https://github.com/eclipse/paho.mqtt.rust/compare/v0.12.4..v0.12.5) - (unreleased)
+## [v0.12.5](https://github.com/eclipse/paho.mqtt.rust/compare/v0.12.4..v0.12.5) - (2024-05-25)
 
+- Updated the License to EPL-v2.0
+- Added some missing Eclipse Paho legal documents.
 - Added `TopicMatcher::insert_many()`
 - [#216](https://github.com/eclipse/paho.mqtt.rust/issues/216) Deref QoS pointers for SubscribeMany and UnsubscribeMany in server response
 - [#215](https://github.com/eclipse/paho.mqtt.rust/issues/215) Now `subscribe_many()` returns an error if slices not the same length. Also added `subscribe_many_same_qos()` to the clients.