This update for python-kiwi adds new functionality and bug fixes:

* Support for layered docker images
* Support for base docker images created via umoci/skopeo
* Support for multipython build
* Add image info command
* Fix kiwi API, make sure modules are found when used in other python programs
* Fix use of legacy services
* Support repositories with credentials
* Support DNF package manager
* Fix network link detection
* Fix isolinux timeout configuration
* Clean up existing machine id files by deleting them (setupMachineID)
* Fixup duplication of btrfs toplevel volume
* Update schema for container setup

The source container changed from python3-kiwi to python-kiwi (singlespec).