WorkflowTool: ignore unexpected parameters

See merge request !1466
7 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

00:34:50

passed ERP5.PerformanceTest-Master

00:24:14

failed ERP5.UnitTest-Master

01:51:37

failed ERP5.UnitTest-Master.Medusa

02:03:11

passed SlapOS.Eggs.UnitTest-Master.Python2

00:09:47

passed SlapOS.Eggs.UnitTest-Master.Python3

passed SlapOS.Eggs.UnitTest-Master.Python3

00:27:22