Withdrawals & Spend Accounts APIs

Added withdrawCashBalance mutation with MAKE_WITHDRAWAL scope requirement
Added WithdrawMethods enum supporting PAYPAL, BANK_ACH, BANK_CARD, and VENMO methods
Added WithdrawSource enum supporting CASH_BALANCE and REWARDS_BALANCE sources
Added WithdrawCashBalanceInput input type with idempotency support via idempotencyKey
Added Withdraw response type with full withdrawal record details including fees, status, and timestamps
Added WithdrawCashBalanceResponse type returning withdrawal records and updated user balances
Integrated with payout-service for withdrawal processing
Added transferUserCashBalance mutation with MAKE_INTERNAL_TRANSFER scope requirement
Added TransferInternalBalanceInput input type with idempotency support via idempotencyKey
Added TransferInternalBalanceResponse type returning transfer-related deposit & withdrawal records
Integrated with payout-service for internal balance transfer processing
Added userCashBalanceId to EditVirtualCardInput to enable the change of the funding source to a specified spend account via editVirtualCard mutation
Added userCashBalanceIds to TransactionFilterInput to enable filtering transactions by specified spend accounts via getTransactions query
Added userCashBalanceId to getGiftCards query to enable filtering gift cards by a specified spend account
Added updateUserCashBalance mutation with MANAGE_PAYMENT scope requirement
Added UpdateUserCashBalanceInput input type
Added closeUserCashBalance mutation with MANAGE_PAYMENT scope requirement
Added CloseUserCashBalanceInput input type with idempotency support via idempotencyKey
Added CloseUserCashBalanceFundingSource type containing funding source-related info
Added CloseUserCashBalanceResponse type returning closed spend account-related records
Added ClosedUserCashBalance type returning closed spend account record
Added CloseUserCashBalanceResponseVirtualCard type returning a virtual card affected by the spend account closure
Added application action logging for audit trail

Changelog