Migrate harbor registry to Kubernetes openstack project

• Change sops encryption from 'Cloud Infra Services' to 'Kubernetes' project
• Move gitrepo references to kubernetes
• Fix/Add replication sync rules

ATTENTION: This should be merged ONLY AFTER:

• Commit: cci-container-infra!13 (merged)
• Disabling flux update on the old cluster

DependsOn: cci-container-infra!13 (merged)

Closes: https://gitlab.cern.ch/kubernetes/project/-/issues/256