Enable the metadata pipeline.
Enable the metadata pipeline.

Reviewers: #reviewers, ardumont

Reviewed By: #reviewers, ardumont

Differential Revision: https://forge.softwareheritage.org/D753

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