Allow to add MANIFEST_FLAG for all the docker manifest commands inside the [helper_to_push_docker_manifest.sh] script.
So in case you want to use it with internal registry without TLS you will be able to use export MANIFEST_FLAG="--insecure" as part of the CI job.
In addition, move all the helper_to_push* scripts into dedicated directory called repo/scripts/ci.
Coverage remained the same at 51.98% when pulling 802226703abdfe256bad3ebbc59e01253e5c1a57 on fix/support_zImages_in_helper_scripts2 into 6162da482b93d21513f727f83173330897fa1b52 on dev.
Allow to add MANIFEST_FLAG for all the docker manifest commands inside the [helper_to_push_docker_manifest.sh] script. So in case you want to use it with internal registry without TLS you will be able to use export MANIFEST_FLAG="--insecure" as part of the CI job.
In addition, move all the helper_to_push* scripts into dedicated directory called repo/scripts/ci.
This change is