List On-Call Roles

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

{
  "data": [
    {
      "id": "<string>",
      "type": "on_call_roles",
      "attributes": {
        "name": "<string>",
        "slug": "<string>",
        "system_role": "<string>",
        "alert_sources_permissions": [
          "create"
        ],
        "alert_urgency_permissions": [
          "create"
        ],
        "alerts_permissions": [
          "create"
        ],
        "api_keys_permissions": [
          "create"
        ],
        "audits_permissions": [
          "create"
        ],
        "contacts_permissions": [
          "read"
        ],
        "escalation_policies_permissions": [
          "create"
        ],
        "groups_permissions": [
          "create"
        ],
        "heartbeats_permissions": [
          "create"
        ],
        "integrations_permissions": [
          "create"
        ],
        "invitations_permissions": [
          "create"
        ],
        "live_call_routing_permissions": [
          "create"
        ],
        "schedule_override_permissions": [
          "create"
        ],
        "schedules_permissions": [
          "create"
        ],
        "services_permissions": [
          "create"
        ],
        "webhooks_permissions": [
          "create"
        ],
        "workflows_permissions": [
          "create"
        ],
        "created_at": "<string>",
        "updated_at": "<string>"
      }
    }
  ],
  "links": {
    "self": "<string>",
    "first": "<string>",
    "prev": "<string>",
    "next": "<string>",
    "last": "<string>"
  }
}