software/erp5testnode: update waitress version to match erp5

Status Job ID Name Coverage
  External
failed SlapOS.Eggs.UnitTest-Master.Python2

00:09:39

failed SlapOS.Eggs.UnitTest-Master.Python3

00:10:02

passed SlapOS.SlapRunner.ResilienceTest-Master

00:22:02

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:37:30

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

05:12:49

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

14:12:11

failed SlapOS.Eggs.UnitTest-Master.Python2

00:10:19

failed SlapOS.Eggs.UnitTest-Master.Python3

00:11:01

passed SlapOS.SlapRunner.ResilienceTest-Master

00:21:30

passed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

04:18:46