List Stt Models

curl --request GET \
  --url https://api-sandbox.featherhq.com/v1/voice/stt-models \
  --header 'x-api-key: <api-key>'

{
  "total": 123,
  "models": [
    {
      "external_id": "<string>",
      "display_name": "<string>",
      "description": "<string>",
      "tier": "<string>",
      "is_default": false,
      "capabilities": {}
    }
  ]
}