Set Upgrade scope "auto" by default

See merge request !345
9 jobs for master in 0 seconds (queued for 1 second)
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

01:10:28

passed SlapOS.Eggs.UnitTest-Master.Python2

00:09:54

passed SlapOS.Eggs.UnitTest-Master.Python3

00:10:51

passed SlapOS.Eggs.UnitTest-Master.Python2

00:10:50

passed SlapOS.Eggs.UnitTest-Master.Python2

00:10:57

passed SlapOS.Eggs.UnitTest-Master.Python2

00:09:45

passed SlapOS.Eggs.UnitTest-Master.Python3

00:10:52

passed SlapOS.Eggs.UnitTest-Master.Python3

00:10:32

passed SlapOS.Eggs.UnitTest-Master.Python3

00:11:05