curl --request PUT \
  --url http://localhost/api/incident-templates/{incidentTemplate} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "template": "<string>",
  "engine": "blade"
}
'

{
  "data": {
    "id": "<string>",
    "type": "incidentTemplates",
    "attributes": {
      "id": 123,
      "name": "<string>",
      "slug": "<string>",
      "template": "<string>",
      "engine": "blade",
      "created": {
        "human": "<string>",
        "string": "<string>"
      },
      "updated": {
        "human": "<string>",
        "string": "<string>"
      }
    }
  }
}