Posture check: AWS Athena Workgroup data encryption at rest not configured
Query: ```config from cloud.resource where cloud.type = 'aws' AND api.name = 'aws-athena-workgroup' AND json.rule = WorkGroup.State equal ignore case enabled and (WorkGroup.Configuration.ResultConfiguration.EncryptionConfiguration does not exist or (WorkGroup.Configuration.EngineVersion.EffectiveEngineVersion contains Athena and WorkGroup.Configuration.EnforceWorkGroupConfiguration is false))```