stripe.rb in pay-6.7.2

- old
+ new

@@ -40,10 +40,10 @@
       Pay::Engine.version_matches?(required: "~> 8", current: ::Stripe::VERSION) || (raise "[Pay] stripe gem must be version ~> 8")
     end
 
     def self.setup
       ::Stripe.api_key = private_key
-      ::Stripe.api_version = "2022-11-15"
+      ::Stripe.api_version ||= "2022-11-15"
 
       # Used by Stripe to identify Pay for support
       ::Stripe.set_app_info("PayRails", partner_id: "pp_partner_IqhY0UExnJYLxg", version: Pay::VERSION, url: "https://github.com/pay-rails/pay")
 
       # Automatically retry requests that fail