swh_vault_cooker::concurrency: bump to 20
swh_vault_cooker::concurrency: bump to 20

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