Update the agent's model selection

curl --request PATCH \
  --url https://api.gennia.ai/public/api/v1/agents/{agentPublicId}/model \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '
{
  "aiModelPublicId": "9c3a4d22-1a8d-4b3f-9b1e-7a0f0c4f3e21",
  "temperature": 0.7,
  "thinkingEffort": "medium",
  "thinkingEnabled": true
}
'

{
  "aiModelName": "<string>",
  "aiModelPublicId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "capabilities": {
    "contextWindow": 123,
    "maxTemperature": 123,
    "minTemperature": 123,
    "supportsDocument": true,
    "supportsImage": true,
    "supportsTemperature": true,
    "supportsThinking": true
  },
  "modelId": "<string>",
  "provider": "<string>",
  "temperature": 123,
  "thinkingEffort": "<string>",
  "thinkingEnabled": true
}