Switch MassTransit broker to in-memory

Changed the MassTransit broker from AzureServiceBus to Memory in the application configuration. This adjustment aims to simplify deployment and reduce dependencies in the current environment.

src/bundles/Elsa.Server.Web/Program.cs

@@ -51,7 +51,7 @@
 const bool useSignalR = true;
 const bool useAzureServiceBus = false;
 const DistributedCachingTransport distributedCachingTransport = DistributedCachingTransport.MassTransit;
-const MassTransitBroker useMassTransitBroker = MassTransitBroker.AzureServiceBus;
+const MassTransitBroker useMassTransitBroker = MassTransitBroker.Memory;
 
 var builder = WebApplication.CreateBuilder(args);
 var services = builder.Services;