Increase the timeout in the Azure libraries (#7719)

* increase timeout to 300seconds

* white spaces change

* feedback

* rename

src/Microsoft.DotNet.Build.Tasks.Feed/src/common/AzureStorageUtils.cs

@@ -14,6 +14,8 @@
 using System.Linq;
 using System.Security.Cryptography;
 using System.Threading.Tasks;
+using Azure.Core.Pipeline;
+using System.Net.Http;
 
 namespace Microsoft.DotNet.Build.CloudTestTasks
 {
@@ -35,11 +37,17 @@ public class AzureStorageUtils
 
         public BlobContainerClient Container { get; set; }
 
+        private static readonly HttpClient s_httpClient = new HttpClient { Timeout = TimeSpan.FromSeconds(300) };
+        private static readonly BlobClientOptions s_clientOptions = new BlobClientOptions()
+        {
+            Transport = new HttpClientTransport(s_httpClient)
+        };
+
         public AzureStorageUtils(string AccountName, string AccountKey, string ContainerName)
         {
             _credential = new StorageSharedKeyCredential(AccountName, AccountKey);
             Uri endpoint = new Uri($"https://{AccountName}.blob.core.windows.net");
-            BlobServiceClient service = new BlobServiceClient(endpoint, _credential);
+            BlobServiceClient service = new BlobServiceClient(endpoint, _credential, s_clientOptions);
             Container = service.GetBlobContainerClient(ContainerName);
         }