Posture check: GCP Kubernetes Engine Clusters have binary authorization disabled
Query: ```config from cloud.resource where cloud.type = 'gcp' AND api.name = 'gcloud-container-describe-clusters' AND json.rule = binaryAuthorization.evaluationMode does not exist or binaryAuthorization.evaluationMode equal ignore case EVALUATION_MODE_UNSPECIFIED or binaryAuthorization.evaluationMode equal ignore case DISABLED```