Delete a Retrospective Template

curl --request DELETE \
  --url https://api.rootly.com/v1/post_mortem_templates/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "8cb56d3c-20de-4c3d-9b7f-1c5a7354051f",
    "type": "post_mortem_templates",
    "attributes": {
      "name": "Earum quasi et est.",
      "slug": "earum-quasi-et-est",
      "format": "html",
      "default": false,
      "content": "",
      "created_at": "2025-09-18T09:21:10.430-07:00",
      "updated_at": "2025-09-18T09:21:12.582-07:00"
    }
  }
}