List automation executions (paginated)

curl --request GET \
  --url https://api.gennia.ai/public/api/v1/agents/{agentPublicId}/automations/{automationPublicId}/executions \
  --header 'X-Api-Key: <api-key>'

{
  "items": [
    {
      "completedAt": "2023-11-07T05:31:56Z",
      "durationMs": 123,
      "errorMessage": "<string>",
      "publicId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "startedAt": "2023-11-07T05:31:56Z",
      "triggeredBy": "<string>"
    }
  ],
  "limit": 123,
  "page": 123,
  "total": 123,
  "totalPages": 123
}