Add extra permissions to ClusterRole 'pipeline-runner'
Add extra permissions to ClusterRole 'pipeline-runner'

* Add verb "get" for PVC resource
* Add verbs ["create", "delete", "get"] for VolumeSnapshot resource

Signed-off-by: Ilias Katsakioris <907c55c1e051674de8e5665e89523965f2209ef6@arrikto.com>

kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow