curl --request DELETE \
  --url https://mycluster.domino.tech/flows/api/artifacts/v1/artifacts/{artifact-id}/bookmarks/{execution-name}

{
  "$schema": "<string>",
  "detail": "<string>",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "<string>",
  "status": 123,
  "title": "<string>",
  "type": "about:blank"
}