slapos_erp5: add the translation gadget in the cache manifest

9 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

01:50:56

failed SlapOS.Eggs.UnitTest-Master.Python2

00:23:24

failed SlapOS.Eggs.UnitTest-Master.Python3

00:25:36

passed SlapOS.Eggs.UnitTest-Master.Python2

00:23:45

failed SlapOS.Eggs.UnitTest-Master.Python2

00:24:02

failed SlapOS.Eggs.UnitTest-Master.Python2

00:25:05

failed SlapOS.Eggs.UnitTest-Master.Python3

00:27:07

failed SlapOS.Eggs.UnitTest-Master.Python3

00:25:25

failed SlapOS.Eggs.UnitTest-Master.Python3

00:26:16