Fix erroneous variable name (docker_keepcache) (#6129)
Fix erroneous variable name (docker_keepcache) (#6129)


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