Update CHANGELOG date to today

Author: alecgeatches

CHANGELOG.md

@@ -5,7 +5,7 @@ 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).
 
-## [3.6.0] - 2024-04-12
+## [3.6.0] - 2024-04-22
 
 ### Added
 * Blocks for Co-Authors #997