ci: run e2e tests with current Kubernetes 1.17.5 release
ci: run e2e tests with current Kubernetes 1.17.5 release

Kubernetes 1.17.0 has had several updates, 1.17.5 is the latest patch
release.

See-also: https://github.com/kubernetes/sig-release/blob/master/releases/patch-releases.md#117
Signed-off-by: Niels de Vos <7bda0c0ee7f47171cc808e9e60292cbc5d8140dd@redhat.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi