Discover private referrer

curl --request GET \
  --url https://cp.chainloop.dev/discover/{digest} \
  --header 'Authorization: Bearer <token>'

{
  "result": {
    "downloadable": true,
    "metadata": {
      "key": "metadata"
    },
    "public": true,
    "references": [
      null,
      null
    ],
    "kind": "kind",
    "digest": "digest",
    "created_at": "2000-01-23T04:56:07.000+00:00",
    "annotations": {
      "key": "annotations"
    }
  }
}