allBookTickers returns invalid type

[SpekalsG3]

allBookTickers method requests /api/v3/ticker/bookTicker which returns array of

[key: string]: {
  symbol: string
  bidPrice: string
  bidQty: string
  askPrice: string
  askQty: string
}

While in library right hand part of return pair type is set to Ticker.

[balthazar]

PRs always welcome