Needs approval from an approver in each of these files:
- ~~[OWNERS](https://github.com/kubernetes-sigs/cluster-api-bootstrap-provider-kubeadm/blob/master/OWNERS)~~ [fabriziopandini]
Approvers can indicate their approval by writing `/approve` in a comment
Approvers can cancel approval by writing `/approve cancel` in a comment
This PR is a backport of https://github.com/kubernetes-sigs/cluster-api/pull/2678