software/erp5testnode: use upcoming seleniumrunner version

7 jobs for 1.0 in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS.SlapRunner.ResilienceTest-Master

00:07:09

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:06:36

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

22:58:09

passed SlapOS.SlapRunner.ResilienceTest-Master

00:36:25

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:09:41

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3