Retrieves a Retrospective Template

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

{
  "data": {
    "id": "143af8e9-4054-4f1e-bffc-031493e41cff",
    "type": "post_mortem_templates",
    "attributes": {
      "name": "Quis voluptatum vitae laboriosam.",
      "slug": "quis-voluptatum-vitae-laboriosam",
      "format": "html",
      "default": false,
      "content": "",
      "created_at": "2025-10-14T08:08:56.655-07:00",
      "updated_at": "2025-10-14T08:08:56.665-07:00"
    }
  }
}