Use new Azure SDKs - Azure.Storage.Blobs

[a-patel]

Use new Azure SDKs - Azure.Storage.Blobs instead of Microsoft.Azure.Storage.Blob

Reference

[a-patel]

This library has been replaced by the following new Azure SDKs. You can read about the new Azure SDKs at https://aka.ms/azsdkvalueprop.

 The latest libraries to interact with the Azure Storage service are:

 * Azure.Storage.Blobs
 * Azure.Storage.Queues
 * Azure.Storage.Files.Shares

 It is recommended that you move to the new package.