Puppetfile: Add comment to the old pinned version of the systemd module
Puppetfile: Add comment to the old pinned version of the systemd module

SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site