Posture check: GCP PostgreSQL instance database flag log_statement is not set appropriately
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 POSTGRES and ( settings.databaseFlags[?any( name equals "log_statement" )] does not exist or settings.databaseFlags[?any( name equals "log_statement" and value equals "all" or value equals "none" )] exists)```