Private Registry Authentication
For setup authentication for private package registry, please user overlock registry auth,
which will create Secret for general access of Crossplane to private registry.
Example
overlock registry auth --registry-server https://REGISTRY_DOMAIN --email EMAIL --username USERNAME --password PASSWORD
GCP Artifact Registry Example
overlock registry auth --email SA_NAME@PROJECT_ID.iam.gserviceaccount.com --registry-server https://pkg.dev --username _json_key --password="$(cat serviceaccount.json)"