ci: do not run the pipeline if PR is draft
ci: do not run the pipeline if PR is draft

If the PR is a draft, it's not ready for review and most likely the CI
pipeline should not run as the code might be broken in some places.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

rook/nfs,rook/nfs,rook/rook,rook/rook,rook/rook,rook/rook,rook/rook,rook/nfs