* image-builder: run validation locally with BuildKit
* upadte checksum
* set BuildKit no-process-sandbox flag for CI
* run BuildKit with rootless-safe daemon flags in CI
* update
* updating root logic
* fix ci failure for can't enable NoProcessSandbox
* switch to stable url
* add --oci-worker-no-process-sandbox ci flag in root path
* add more support
* add validate-docker and validate-single docker
* Lint everything in the repository with yamllint
* yamllint fixes: syntax fixes only
* yamllint fixes: move comments to play names
* yamllint fixes: indent comments in .gitlab-ci.yml file