This was already implemented in ddd2304022e313eca9b391a043b12ecb9afe3bf7
for SLE GA to TEST, but missing in Micro and on the TEST -> PUBLISH leg
in SLE.
Releasing from TEST to PUBLISH might still fail for various reasons.
If it happens, ensure the pipeline exits early with non-zero exit code.
Signed-off-by: Eugenio Paolantonio <eugenio.paolantonio@suse.com>
For some reason, valid yaml is not supported - the indentation required
is rather wild. But to check the syntax before commit, you can use the
plugin locally: