* Fix: rolebindingRolePodExecAttach check
Fix the case of a RoleBinding that points to a ClusterRole.
In that case, we ignore the RoleBinding since it will be evaluated by the rolebindingClusterRolePodExecAttach check.
* add tests for role-binding that uses a cluster-role binding
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Co-authored-by: Vitor Vezani <vitor.vezani@fairwinds.com>