update CHANGELOG

Author: metafates

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.3.0] - 2026-08-07
 
 ### Changed
 
@@ -52,6 +52,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial stable version.
 
+[1.3.0]: https://github.com/ozontech/testo/compare/v1.2.0...v1.3.0
 [1.2.0]: https://github.com/ozontech/testo/compare/v1.1.1...v1.2.0
 [1.1.1]: https://github.com/ozontech/testo/compare/v1.1.0...v1.1.1
 [1.1.0]: https://github.com/ozontech/testo/compare/v1.0.0...v1.1.0