fix image pull url for coredns v1.8.0 (#7702)
fix image pull url for coredns v1.8.0 (#7702)


kubernetes-sigs/kubespray,kubernetes-incubator/kargo,Atoms/kubespray,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kargo,Atoms/kubespray,Atoms/kubespray,kubernetes-incubator/kubespray,kubernetes-sigs/kubespray