Retrieves an incident role

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

{
  "data": {
    "id": "995fdc4d-9d2e-4611-821b-4d457f299e9c",
    "type": "incident_roles",
    "attributes": {
      "slug": "non-hic-iste-iure",
      "name": "Non hic iste iure.",
      "summary": null,
      "description": null,
      "position": 1,
      "optional": false,
      "enabled": true,
      "allow_multi_user_assignment": false,
      "created_at": "2025-11-21T14:32:05.171-08:00",
      "updated_at": "2025-11-21T14:32:05.171-08:00"
    }
  }
}