Log Message:
py-braintree: updated to 4.11.0

4.11.0

Add exchange_rate_quote_id to Transaction.sale
Add validation error code ExchangeRateQuoteIdIsTooLong to Transaction
Add the following fields to ApplePayCard and AndroidPayCard:
commercial
debit
durbin_regulated
healthcare
payroll
prepaid
product_id
country_of_issuance
issuing_bank
Add error code Transaction.TaxAmountIsRequiredForAibSwedish for attribute \ 
tax_amount to handle validation for AIB:Domestic Transactions in Sweden