Check all apt config files for configured proxies (#4972)
Check all apt config files for configured proxies (#4972)


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