Bump Azure.Storage.Blobs from 12.4.2 to 12.13.0 in /AzureStorageMVC#2

dependabot[bot] wants to merge 1 commit intomastertbr09/AzureStorageWorkshops:masterfrom

dependabot/nuget/AzureStorageMVC/Azure.Storage.Blobs-12.13.0tbr09/AzureStorageWorkshops:dependabot/nuget/AzureStorageMVC/Azure.Storage.Blobs-12.13.0Copy head branch name to clipboard