Delete a retrospective process

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

{
  "data": {
    "id": "1226e321-207b-4455-a57f-4e43970ca34d",
    "type": "retrospective_processes",
    "attributes": {
      "name": "Sed culpa vero et.",
      "description": "Cupiditate nihil et. Rem voluptate aut. Similique perferendis nobis.",
      "is_default": false,
      "created_at": "2026-01-08T06:24:34.309-08:00",
      "updated_at": "2026-01-08T06:24:36.453-08:00",
      "retrospective_process_matching_criteria": {
        "incident_type_ids": [
          "68a86700-8a46-4093-8a90-58eb059e7e15"
        ]
      }
    },
    "relationships": {
      "retrospective_steps": {
        "data": [
          {
            "id": "d620d06e-5157-4d70-8a78-41a59860d572",
            "type": "retrospective_steps"
          },
          {
            "id": "5af1b6bc-43df-4764-8d93-5887b7f110f6",
            "type": "retrospective_steps"
          }
        ]
      },
      "incident_types": {
        "data": [
          {
            "id": "68a86700-8a46-4093-8a90-58eb059e7e15",
            "type": "incident_types"
          }
        ]
      }
    }
  }
}