Google Pay Config
constructor(environment: GooglePayEnvironment, companyName: String, companyCountryCode: String = "US", existingPaymentMethodRequired: Boolean = false, emailRequired: Boolean = false, phoneNumberRequired: Boolean = false, fullNameRequired: Boolean = false, fullBillingAddressRequired: Boolean = false, currencyCode: CurrencyCode = CurrencyCode.USD)
Creates a new GooglePayConfig instance