Mount rabbitmq TLS secret to openstack services which support internal
TLS. Once internal TLS support is added to other service, the TLSed
rabbitmq support should be added.
Depends-on: https://review.opendev.org/c/openstack/openstack-helm-infra/+/795188
Change-Id: I9aa272e365f846746f2e06aa7b7010db730e17df
ClusterIssuer does not belong to a single namespace (unlike Issuer)
and can be referenced by Certificate resources from multiple different
namespaces. When internal TLS is added to multiple namespaces, same
ClusterIssuer can be used instead of one Issuer per namespace.
Depends-on: https://review.opendev.org/c/openstack/openstack-helm-infra/+/766359
Change-Id: I6585d5a8c2ccb507a5c99784c0190502b55a5bcf