0.4.2 Changelog and Release PR

[jmt-lab]

Description of changes:

• Updates to application inventory generations ([application-inventory: adjust Release and Version fields #310])
• Improvements for directory sharing during build ([switch to pipesys for build input and output #302])
• Combine build and repack dockerfiles ([switch to pipesys for build input and output #302])
• Move updater wave default schedules into pubsys ([pubsys: move update wave schedules into twoliter embedded #321])
• Added support for crane family of tools for publishing kits ([twoliter: add support for crane #305])
• Added support for crane family of tools for fetching kits ([pubsys: enable the use of crane to publish kits #317])
• Drop support for cgroup feature flags (#[318])
• Add additional image feature flags (#[318])

Testing done:

Build of bottlerocket and associate artifacts

Terms of contribution:

By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.