List user's support tickets

Example response

{
  "tickets": [
    {
      "publicId": "tkt_a1b2c3d4e5f6a1b2c3d4e5f6",
      "subject": "Cannot connect X account",
      "status": "open",
      "messageCount": 2,
      "createdAt": "2025-01-15T12:00:00Z",
      "updatedAt": "2025-01-16T09:30:00Z"
    }
  ]
}