What's Changed
* zero input subset + TestNG support documentation by kohsuke in https://github.com/launchableinc/cli/pull/516
* Add/GitHub action doc by shibuiwilliam in https://github.com/launchableinc/cli/pull/515
* Support targetless subset by draftcode in https://github.com/launchableinc/cli/pull/518
* add new validation for build name by Konboi in https://github.com/launchableinc/cli/pull/517
* Describe the behavior when the subset size is not specified by draftcode in https://github.com/launchableinc/cli/pull/519
* Add some validations by Konboi in https://github.com/launchableinc/cli/pull/520
**Full Changelog**: https://github.com/launchableinc/cli/compare/v1.56.1...v1.56.2