Add feedback mechanism to `build-package` manual action
Description
We have build-package
manual action present in our CE / EE pipelines.
Developer is able to trigger package build using this action, but this only creates a new pipeline in Omnibus. It succeeds after correctly creating a new pipeline, but does not wait until the pipeline in Omnibus succeeds / fails.
In order to make build-package
useful for testing, we need to wait for the feedback.
This issue is a part of https://gitlab.com/gitlab-org/gitlab-ce/issues/39637
Edited by Grzegorz Bizon