Delete a Retrospective Template

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

{
  "data": {
    "id": "88560ae9-f7ac-4a1b-bdae-3e8bf7d9468e",
    "type": "post_mortem_templates",
    "attributes": {
      "name": "Ad sit ex veritatis.",
      "slug": "ad-sit-ex-veritatis",
      "format": "html",
      "default": false,
      "content": "",
      "created_at": "2025-10-08T19:36:03.296-07:00",
      "updated_at": "2025-10-08T19:36:05.550-07:00"
    }
  }
}