Add steem.api.findChangeRecoveryAccountRequests

[DoctorLai]

Get the change requests of recovery account for multiple accounts.

steem.api.findChangeRecoveryAccountRequests(['justyy222', 'ety001', 'justyy'], function(err, data) {
	console.log(err, data);
});

Return Example:

{"requests":
  [
    {
      "id":2238,
      "account_to_recover":"justyy222",
      "recovery_account":"happyukgo",
      "effective_on":"2024-09-24T06:15:33"
    }
  ]
}