docs: edited changelog

Author: isc-cge

CHANGELOG.md

@@ -5,14 +5,16 @@ 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).
 
+## [3.2.0] - Unreleased
+
+### Added
+- #42: Added a listener interface and manager with an associated user parameter, allowing the user to broadcast output on test method/case/suite completion. 
+
 ## [3.1.1] - Unreleased
 
 ### Fixed
 - #39: Fixed bug where results viewer gave divide by zero error when there were 0 executed methods in the covered code 
 
-### Added
-- #42: Added a listener interface and manager with an associated user parameter, allowing the user to broadcast output on test method/case/suite completion. 
-
 ## [3.1.0] - 2024-07-05
 
 ### Added