Delete a Retrospective Template

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

{
  "data": {
    "id": "13cea60e-a5c6-4d6b-812a-832f9c9f4c4e",
    "type": "post_mortem_templates",
    "attributes": {
      "name": "Quia non doloremque voluptates.",
      "slug": "quia-non-doloremque-voluptates",
      "format": "html",
      "default": false,
      "content": "",
      "created_at": "2025-11-21T14:33:24.343-08:00",
      "updated_at": "2025-11-21T14:33:26.432-08:00"
    }
  }
}