Update a pipeline card

curl --request PATCH \
  --url https://connect.voxys.ai/api/v1/accounts/{account_id}/funnels/{id}/cards/{card_id} \
  --header 'Content-Type: application/json' \
  --header 'api_access_token: <api-key>' \
  --data '
{
  "funnel_stage_id": 123,
  "position": 123,
  "custom_name": "<string>",
  "lead_value": 123,
  "lead_currency": "<string>",
  "assigned_agent_id": 123
}
'

{
  "id": 55,
  "funnel_id": 3,
  "funnel_stage_id": 7,
  "lead": {
    "id": 42,
    "custom_name": "Enterprise Deal - Q3",
    "status": "open",
    "lead_value": 15000,
    "lead_currency": "USD",
    "position": 1,
    "notes": "Prospect from trade show",
    "assigned_agent": {
      "id": 1,
      "name": "Jane Smith",
      "email": "jane@example.com",
      "avatar_url": "<string>"
    },
    "company": {
      "id": 10,
      "name": "Acme Corp",
      "domain": "acme.com"
    },
    "conversation_id": 100,
    "custom_attributes": {
      "industry": "Technology",
      "annual_revenue": 500000
    },
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "position": 1,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}