Posture check: GCP SQL server instance database flag external scripts enabled is not set to off
Query: ```config from cloud.resource where cloud.type = 'gcp' AND api.name = 'gcloud-sql-instances-list' AND json.rule = 'state equals RUNNABLE and databaseVersion contains SQLSERVER and (settings.databaseFlags[*].name does not contain "external scripts enabled" or settings.databaseFlags[?any(name contains "external scripts enabled" and value contains on)] exists)'```