Upgrade upgrader timestamp

Status Job ID Name Coverage
  External
passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.JEROME

passed ERP5.StandaloneDeploymentScriptTest-Debian.Stretch

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Stretch

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Stretch