Updated changelog

CHANGELOG.md

@@ -5,6 +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).
 
+## \[2.4.8] - 2023-06-22
+### Fixed
+- Getting original chunks for items in specific cases (<https://github.com/opencv/cvat/pull/6355>)
+
 ## \[2.4.7] - 2023-06-16
 ### Added
 - \[API\] API Now supports the creation and removal of Ground Truth jobs. (<https://github.com/opencv/cvat/pull/6204>)