curl --request POST \
  --url {schemes}://api.upsun.com/projects/{projectId}/oci-registries \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "registry": "<string>",
  "auth": {
    "username": "<string>",
    "password": "<string>"
  },
  "identity_token": "<string>",
  "registry_token": "<string>"
}
'

{
  "status": "<string>",
  "code": 123
}