feat: update changelog

Author: matiasdaloia

Diff for: CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Upcoming changes...
 
-## [1.21.0] - 2025-02-10
+## [1.21.0] - 2025-03-27
 ### Added
 - Add folder-scan subcommand
 - Add folder-hash subcommand
@@ -498,6 +498,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [1.20.4]: https://github.com/scanoss/scanoss.py/compare/v1.20.3...v1.20.4
 [1.20.5]: https://github.com/scanoss/scanoss.py/compare/v1.20.4...v1.20.5
 [1.20.6]: https://github.com/scanoss/scanoss.py/compare/v1.20.5...v1.20.6
-[1.19.6]: https://github.com/scanoss/scanoss.py/compare/v1.19.5...v1.19.6
-[1.20.0]: https://github.com/scanoss/scanoss.py/compare/v1.19.6...v1.20.0
-[1.21.0]: https://github.com/scanoss/scanoss.py/compare/v1.20.0...v1.21.0
+[1.21.0]: https://github.com/scanoss/scanoss.py/compare/v1.20.6...v1.21.0