ci: Pass IMAGE_TAG, QA_IMAGE, SKIP_QA_DOCKER to omnibus-gitlab pipeline
What does this MR do?
Needs omnibus-gitlab!5080 (merged).
Example
QA image built in https://gitlab.com/gitlab-org/gitlab/-/jobs/1128179789 is forwarded by https://gitlab.com/gitlab-org/build/omnibus-gitlab-mirror/-/jobs/1128350556 and then used in https://gitlab.com/gitlab-org/gitlab-qa-mirror/-/jobs/1128649913:
Docker shell command: `docker pull registry.gitlab.com/gitlab-org/gitlab/gitlab-ee-qa:omnibus-5429-pass-image-tag-to-omnibus-pipeline-new`
Related to gitlab-com/www-gitlab-com#10557 (comment 524309799) and omnibus-gitlab#5429 (closed).
Edited by Rémy Coutable