playbook: don't upgrade re6st-node by default

5 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed ERP5.StandaloneDeploymentScriptTest-Debian.Bullseye

15:02:07

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

07:05:07

passed ERP5.StandaloneDeploymentScriptTest-Debian.Stretch

00:28:58

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

00:29:13

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Stretch

00:39:49