Docs feedback: Combine buildah, podman, and kaniko examples
Two places exist with similar Docker in Docker alternative details:
- https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#docker-alternatives
- https://docs.gitlab.com/runner/executors/docker.html#using-podman-to-build-container-images-from-a-dockerfile
- https://docs.gitlab.com/runner/executors/docker.html#using-buildah-to-build-container-images-from-a-dockerfile
Edited by Ben Bodenmiller