Add missing link PaymentWalletsOption type (#759)

* add link as PE PaymentWalletOption

* formatting

Author: dhsing-stripe

tests/types/src/valid.ts

@@ -502,6 +502,7 @@ const paymentElement: StripePaymentElement = elements.create('payment', {
   wallets: {
     applePay: 'never',
     googlePay: 'auto',
+    link: 'auto',
   },
   layout: {
     type: 'accordion',

types/stripe-js/elements/payment.d.ts

@@ -216,6 +216,7 @@ export type PaymentWalletOption = 'auto' | 'never';
 export interface PaymentWalletsOption {
   applePay?: PaymentWalletOption;
   googlePay?: PaymentWalletOption;
+  link?: PaymentWalletOption;
 }
 
 export type Layout = 'tabs' | 'accordion' | 'auto';