feat: Update customer related typings and sdk methods (#7440)

packages/medusa/src/utils/middlewares/authenticate-middleware.ts

@@ -24,7 +24,7 @@ type MedusaSession = {
 }
 
 export const authenticate = (
-  actorType: string,
+  actorType: string | string[],
   authType: AuthType | AuthType[],
   options: { allowUnauthenticated?: boolean; allowUnregistered?: boolean } = {}
 ): RequestHandler => {