[OpenShift] Fixes failures on OpenShift
[OpenShift] Fixes failures on OpenShift

for openshift we replace gcr images with quay.io, the image need
to have tags to fetch a particular release image. so we need to
fetch release yaml with images having tags.

Signed-off-by: Shivam Mukhade <330299940dbe3b9a5e12a3de6ca29752465435c4@redhat.com>

tektoncd/operator,tektoncd/operator,tektoncd/operator