Update Stripe PHP library

composer.lock

vendor/composer/installed.json

vendor/stripe/stripe-php/CHANGELOG.md

vendor/stripe/stripe-php/README.md

vendor/stripe/stripe-php/VERSION

vendor/stripe/stripe-php/lib/BankAccount.php

vendor/stripe/stripe-php/lib/Card.php

vendor/stripe/stripe-php/lib/Charge.php

vendor/stripe/stripe-php/lib/Checkout/Session.php

vendor/stripe/stripe-php/lib/Customer.php

vendor/stripe/stripe-php/lib/Invoice.php

vendor/stripe/stripe-php/lib/InvoiceItem.php

vendor/stripe/stripe-php/lib/InvoiceLineItem.php

vendor/stripe/stripe-php/lib/Issuing/Dispute.php

vendor/stripe/stripe-php/lib/Issuing/Transaction.php

vendor/stripe/stripe-php/lib/PaymentIntent.php

vendor/stripe/stripe-php/lib/PaymentMethod.php

vendor/stripe/stripe-php/lib/Plan.php

vendor/stripe/stripe-php/lib/Reporting/ReportRun.php

vendor/stripe/stripe-php/lib/Service/InvoiceItemService.php