chore: disable dask parallel testing (#2968)
chore: disable dask parallel testing (#2968)


cpcloud/ibis,cpcloud/ibis,cpcloud/ibis,ibis-project/ibis,ibis-project/ibis,cloudera/ibis,cloudera/ibis,ibis-project/ibis,cpcloud/ibis,ibis-project/ibis,cloudera/ibis