List versioned prompts

curl --request GET \
  --url https://api.vogent.ai/api/agents/{agentId}/versioned_prompts

{
  "data": [
    {
      "id": "<string>",
      "name": "<string>",
      "agentType": "STANDARD",
      "prompt": "<string>",
      "flowDefinition": {
        "nodes": [
          {
            "id": "<string>",
            "name": "<string>",
            "type": "<string>",
            "transitionRules": [
              {
                "conditionType": "always",
                "arrayConditionType": "any",
                "field": "<string>",
                "value": "<string>",
                "values": [
                  "<string>"
                ],
                "transitionNodeId": "<string>"
              }
            ],
            "outputSchema": "<string>",
            "nodeData": {}
          }
        ],
        "globalContext": "<string>",
        "aiOpen": true
      },
      "aiModelId": "<string>",
      "modelOptionValues": [
        {
          "optionId": "<string>",
          "value": "<string>"
        }
      ]
    }
  ],
  "cursor": "<string>"
}