feat(POM-414): rework Apple Pay

[andrii-vysotskyi-cko]

Description

• Support tokenizing PKPaymentRequest directly with cards service
• Rename POApplePayCardTokenizationRequest to POApplePayPaymentTokenizationRequest
• Use cards service directly to tokenize Apple Pay during dynamic checkout
• Use cards service directly to tokenize Apple Pay in example
• Remove DynamicCheckoutPassKitPaymentSession
• Deprecate POPassKitPaymentAuthorizationController
• Change PODynamicCheckoutInvoiceInvalidationReason visibility to SPI
• Specify main actor for example view models

Jira Issue

https://checkout.atlassian.net/browse/POM-305