Declare the certificate for the journal0.staging's kafka
Declare the certificate for the journal0.staging's kafka

Related to T2790

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