New functions: `withdrawBZZToExternalWallet` and `withdrawDAIToExternalWallet`

[Cafe137]

async withdrawBZZToExternalWallet(
  amount: BZZ | NumberString | string | bigint,
  address: EthAddress | Uint8Array | string,
  options?: BeeRequestOptions
): Promise<TransactionId>

async withdrawDAIToExternalWallet(
  amount: DAI | NumberString | string | bigint,
  address: EthAddress | Uint8Array | string,
  options?: BeeRequestOptions
): Promise<TransactionId>