Update CHANGELOG.md

CHANGELOG.md

@@ -5,28 +5,13 @@ 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
-- TDB
-
+## \[2.4.3] - 2023-04-24
 ### Changed
 - Docker images no longer include Ubuntu package sources or FFmpeg/OpenH264 sources
   (<https://github.com/opencv/cvat/pull/6040>)
 - TUS chunk size changed from 100 MB to 2 MB
   (<https://github.com/opencv/cvat/pull/6058>)
 
-### Deprecated
-- TDB
-
-### Removed
-- TDB
-
-### Fixed
-- TDB
-
-### Security
-- TDB
-
 ## \[2.4.2] - 2023-04-14
 ### Added
 - Support for Azure Blob Storage connection string authentication(<https://github.com/openvinotoolkit/cvat/pull/4649>)