software/metabase: version up 0.48.2

also expose MB_UNAGGREGATED_QUERY_ROW_LIMIT and MB_AGGREGATED_QUERY_ROW_LIMIT
4 jobs for feat/metabase-0.48.2 in 0 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  External
passed SlapOS.Eggs.UnitTest-TestRunner1.Python2

00:14:52

passed SlapOS.Eggs.UnitTest-TestRunner1.Python3

00:17:14

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1

04:41:25

failed SlapOS.SoftwareReleases.IntegrationTest-TestRunner1-DebianNext

34:16:30