curl --request POST \
  --url https://dashboard.getconvoy.io/api/v1/projects/{projectID}/event-types/{eventTypeId}/deprecate \
  --header 'Authorization: <api-key>'

{
  "message": "<string>",
  "status": true,
  "data": {
    "event_type": {
      "category": "<string>",
      "deprecated_at": "<string>",
      "description": "<string>",
      "id": "<string>",
      "name": "<string>"
    }
  }
}