Delete a Retrospective Template

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

{
  "data": {
    "id": "b3e00f5b-1d9c-4a37-a0a2-32456c58b1e1",
    "type": "post_mortem_templates",
    "attributes": {
      "name": "Voluptatibus ea adipisci illo.",
      "slug": "voluptatibus-ea-adipisci-illo",
      "format": "html",
      "default": false,
      "content": "",
      "created_at": "2025-07-21T23:21:31.091-07:00",
      "updated_at": "2025-07-21T23:21:35.118-07:00"
    }
  }
}