Cekit

Enhancements/Changed

* Add ability to pass generic build flags to underlying build tool (podman/buildah/docker) (929)
* Invoke Docker CLI directly instead of using python library when using `--platform` or `--build-flag` (929)
* Fix CI with MacOS/CircleCI ( 927, 926)
* Improve logging (926)
* Fix overrides when using `args` (928)
* Allow `ARGS` to be injected first for the main image for easy overriding (928)

Enhancements/Changed

* Add optional URL authentication (918)
* Improve documentation and fix tests (916, 919)

Enhancements/Changed

* Remove support for legacy docker library. Lock Docker API version (902)
* Improve CI for MacOS (909)
* Fix import dependency handling (907)
* Expose timeouts as environment variables (913)
* Modify Docker post-install cleanup (906)
* Documentation improvements (901)

Enhancements/Changed

* New documentation theme and updated all documentation components (897, 899)
* Only require ODCS when using content_sets (893)
* Improve package manager cleanup (888)
* Fix ODCS inclusion for 0.8.0 (885)
* Fix documentation generation (892)
* Improve Pipfile/requirements.txt (894)
* Switch to f-strings consistently (898)
* Fix codecov (900)

Enhancements/Changed

* Support Python 3.12 (847)
* Add build-arg for podman/buildah/docker (868)
* Behave add --steps-ref (876)
* Add trace mode for child process logging (874)
* Documentation improvements (880, 873)
* Maintenance improvements
* Fixes for readthedocs (883)
* Fixes for Python 3.6 (878)
* Code coverage configuration (875)

Changed

* Switch from git to https protocol for OSBS (871)