responding to review feedback

Author: ianfnelson

src/ServiceLayer.Mesh/Messaging/ServiceCollectionExtensions.cs

@@ -24,7 +24,7 @@ internal static IServiceCollection AddMessagingServices(this IServiceCollection
             }
 
             var meshStorageAccountUrl = EnvironmentVariables.GetRequired("MeshStorageAccountUrl");
-            return new QueueServiceClient(new Uri(meshStorageAccountUrl), new DefaultAzureCredential(), queueClientOptions);
+            return new QueueServiceClient(new Uri(meshStorageAccountUrl), new ManagedIdentityCredential(), queueClientOptions);
         });
 
         services.AddSingleton<IFileExtractQueueClient, FileExtractQueueClient>();

src/ServiceLayer.Mesh/Storage/ServiceCollectionExtensions.cs

@@ -20,7 +20,7 @@ internal static IServiceCollection AddStorageServices(this IServiceCollection se
 
             var meshStorageAccountUrl = EnvironmentVariables.GetRequired("MeshStorageAccountUrl");
 
-            var serviceClient = new BlobServiceClient(new Uri(meshStorageAccountUrl), new DefaultAzureCredential());
+            var serviceClient = new BlobServiceClient(new Uri(meshStorageAccountUrl), new ManagedIdentityCredential());
             return serviceClient.GetBlobContainerClient(containerName);
         });