Update the current user's profile

Example response

{
  "user": {
    "id": "usr_01jps5cgsd4tzjghtnt45qnhn0",
    "createdAt": "2026-08-11T08:49:21.980Z",
    "updatedAt": "2026-08-11T08:49:21.982Z",
    "email": "test@session.services",
    "firstName": "Jay",
    "lastName": "McMullen",
    "imageUrl": "https://assets.session.services/examples/avatar.jpg",
    "tenantId": "tnt_01jqpj2t2kfvmstt6f6tzkbaf2"
  }
}