v2.12.0

Added

• AccountInfoFlow.verify[Signature|Transaction]()
• Client.[set|get]NodeMinReadmitPeriod()
• Support for using any node from the entire network upon execution
  if node account IDs have no been locked for the request.
• Support for all integer widths for ContractFunction[Result|Selector|Params]
• AccountAllowanceApproveTransaction.approve[Hbar|Token|TokenNft]Allowance()
• AccountAllowanceAdjustTransaction.[grant|revoke][Hbar|Token|TokenNft]Allowance()
• AccountAllowanceAdjustTransaction.[grant|revoke]TokenNftAllowanceAllSerials()
• TransactionRecord.[hbar|token|tokenNft]AllowanceAdjustments
• TransferTransaction.addApproved[Hbar|Token|Nft]Transfer()

Deprecated

• AccountAllowanceApproveTransaction.add[Hbar|Token|TokenNft]Allowance[WithOwner](), use approve*Allowance() instead.
• AccountAllowanceAdjustTransaction.add[Hbar|Token|TokenNft]Allowance[WithOwner](), use [grant|revoke]*Allowance() instead.
• TransferTransaction.set[Hbar|Token|Nft]TransferApproval(), use addApproved*Transfer() instead.

Changed

• Network behavior to follow a more standard approach (remove the sorting we
  used to do).

Fixed

• Ledger ID checksums
• Transaction.fromBytes() should validate all the transaction bodies are the same
• ExchangeRate._[from|to]Protobuf() should correctly decode expirationTime
• Mark expo as a optional peer dependency
• SubscriptionHandle should be exported
• TransferTransaction transfers merging