cmd/kubemark/OWNERS

# See the OWNERS docs at https://go.k8s.io/owners

reviewers:
  - shyamjvs
  - sig-scalability-reviewers
  - wojtek-t
approvers:
  - shyamjvs
  - sig-scalability-approvers
  - wojtek-t
emeritus_approvers:
  - gmarek