xinyanw409: Update external-snapshotter client version to v4.1.0

JobBuild
650
08-03 23:47
pull-kubernetes-csi-external-provisioner-1-19-on-kubernetes-1-19 1423087511818735616 1423022774502297600 1422709525802127360 1422705744913895424
pull-kubernetes-csi-external-provisioner-1-20-on-kubernetes-1-20 1423087511856484352 1422709525839876096 1422705744947449856
pull-kubernetes-csi-external-provisioner-1-21-on-kubernetes-1-21 1422709525881819136 1422705744981004288
pull-kubernetes-csi-external-provisioner-distributed-on-kubernetes-1-21 1423087511919398912 1422709525961510912 1422705745056501760
pull-kubernetes-csi-external-provisioner-unit 1423087511890038784 1422709525919567872 1422705745022947328