curl --request GET \
  --url https://api.sanka.com/v1/public/workflows/actions \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "action_uid": "<string>",
      "is_trigger": true,
      "action_slug": "<string>",
      "title": "<string>",
      "title_ja": "<string>",
      "trigger_type": "<string>",
      "input_format": {},
      "output_format": {},
      "required_conditions": {}
    }
  ],
  "count": 123,
  "ctx_id": "<string>"
}