docs: update changelog

Author: isc-hwojnick

CHANGELOG.md

@@ -5,6 +5,11 @@ 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).
 
+## [2.5.0] - Unreleased
+
+### Added
+- Discards safeguarded by discard stash and warning modal (#455)
+
 ## [2.4.1] - 2024-08-02
 
 ### Added