SPIRIT-0: fix Buffer not defined in cloudflare workers

Author: manuelfesantos

functions/stripe/payment-intent/index.ts

@@ -6,6 +6,7 @@ import { logger } from "@logger-utils";
 import { isStripePaymentIntent, StripeEvent } from "@stripe-entity";
 import { errors } from "@error-handling-utils";
 import { requestHandler } from "@decorator-utils";
+import { Buffer } from "node:buffer";
 
 // eslint-disable-next-line import/no-restricted-paths
 import { stripe } from "@stripe-adapter";

functions/stripe/session-result/index.ts

@@ -17,6 +17,7 @@ import { LoggerUseCaseEnum } from "@logger-entity";
 // eslint-disable-next-line import/no-restricted-paths
 import { stripe } from "@stripe-adapter";
 import { ENV } from "@env-utils";
+import { Buffer } from "node:buffer";
 
 export const POST: PagesFunction = async (context) => {
   const { request } = context;