bump mongo version of quasar_mongodb_read_only docker container
bump mongo version of quasar_mongodb_read_only docker container

jedesah/Quasar,slamdata/slamengine,jedesah/Quasar,slamdata/quasar,djspiewak/quasar,quasar-analytics/quasar,quasar-analytics/quasar,slamdata/slamengine,quasar-analytics/quasar,jedesah/Quasar,quasar-analytics/quasar,slamdata/slamengine,jedesah/Quasar