stack/erp5: new option to enable XML-RPC for zope

Zope no longer serve XML-RPC in ERP5, unless it is explicitly enabled
using this.
13 jobs for for_testrunner_1 in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:17:31

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:44:19

failed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:03:11

passed SlapOS.Eggs.UnitTest-Master.Python2

00:27:12

passed SlapOS.Eggs.UnitTest-Master.Python3

00:48:38

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:31:28

failed SlapOS.SoftwareReleases.IntegrationTest-Master

09:13:29

passed SlapOS.Theia.ResilienceTest-Master-ERP5

08:23:46

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:34:11

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

14:29:10

passed SlapOS.Eggs.UnitTest-Master.Python2

00:28:34

passed SlapOS.Eggs.UnitTest-Master.Python3

00:45:42

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:30:12