Update ScaledObject Resource to use correct metric.
ceph_rgw_put is not availabe. Using ceph_rgw_op_put_obj_ops instead.
Signed-off-by: Santosh <sapillai@redhat.com>
Even though mention about keda 2.x version, the scaledObject.yaml or
rgw-keda.yaml referring to older keda CRs
Signed-off-by: Jiffin Tony Thottan <thottanjiffin@gmail.com>