Posture check: AWS VPC Flow Logs not enabled
Query: ```config from cloud.resource where api.name = 'aws-ec2-describe-flow-logs' as X; config from cloud.resource where api.name = 'aws-ec2-describe-vpcs' AND json.rule = shared is false as Y; filter 'not($.X.resourceId equals $.Y.vpcId)' ; show Y;```