erp5testnode: update deploy script

The history of deploy script can be seen in slapos.core package with:
git log -p master/bt5/slapos_web_deploy/PathTemplateItem/web_page_module/deploy_*
2 jobs for fix/postgres_recipe_test
Status Job ID Name Coverage
  External
failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master