Fixes #11687

running kubeadm init returns the following error during the pre-flight checks:

$ kubeadm init
W0626 09:02:08.169552   30631 configset.go:202] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io]
[init] Using Kubernetes version: v1.18.4
[preflight] Running pre-flight checks
[preflight] WARNING: Couldn't create the interface used for talking to the container runtime: crictl is required for container runtime: exec: "crictl": executable file not found in $PATH

	[ERROR FileExisting-crictl]: crictl not found in system path