Style: C# 12 Primary constructor

src/Web/Endpoints/Stripe.cs

@@ -10,7 +10,7 @@ public class Stripe : EndpointGroupBase
             .MapPost(CreateSessionCheckout);
     }
 
-    public Task<string> CreateSessionCheckout(ISender sender, CreateSessionCheckoutCommand command)
+    private static Task<string> CreateSessionCheckout(ISender sender, CreateSessionCheckoutCommand command)
     {
         return sender.Send(command);
     }