Update CHANGELOG.md

Author: YevgeniyShunevych

CHANGELOG.md

@@ -83,7 +83,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Initial version release.
 
-[Unreleased]: https://github.com/atata-framework/atata-cli-htmlvalidate/compare/v2.3.0...HEAD
-[2.2.0]: https://github.com/atata-framework/atata-cli-htmlvalidate/compare/v2.2.0...v2.3.0
+[Unreleased]: https://github.com/atata-framework/atata-cli-htmlvalidate/compare/v2.4.0...HEAD
+[2.4.0]: https://github.com/atata-framework/atata-cli-htmlvalidate/compare/v2.3.0...v2.4.0
+[2.3.0]: https://github.com/atata-framework/atata-cli-htmlvalidate/compare/v2.2.0...v2.3.0
 [2.2.0]: https://github.com/atata-framework/atata-cli-htmlvalidate/compare/v2.1.0...v2.2.0
 [2.1.0]: https://github.com/atata-framework/atata-cli-htmlvalidate/compare/v2.0.0...v2.1.0