software/erp5: create haproxy log files as 0644

This is the same permissions as all other log files from ERP5
7 jobs for fix/fontconfig in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.SlapRunner.ResilienceTest-Master

00:24:39

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:41:43

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

06:10:32

passed SlapOS.SlapRunner.ResilienceTest-Master

00:25:16

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5