Update kube bench docker image tag to v0.6.6 (#1085)
Update kube bench docker image tag to v0.6.6 (#1085)

Co-authored-by: Yoav Rotem <b92b20f2a1a18bfcba299f1ef7a2dfaad1b058f6@gmail.com>
aquasecurity/kube-bench,aquasecurity/kube-bench