Upgraded Azure.Data.Tables package to the latest v12.8.0 (#21577)

Author: vidai-msft

tools/TestFx/Utilities/KustoUtility.psm1

@@ -47,7 +47,7 @@ function InitializeKustoPackages {
 
     $kustoPackages = @(
         @{ PackageName = "Azure.Core"; PackageVersion = "1.30.0"; DllName = "Azure.Core.dll" },
-        @{ PackageName = "Azure.Data.Tables"; PackageVersion = "12.6.1"; DllName = "Azure.Data.Tables.dll" },
+        @{ PackageName = "Azure.Data.Tables"; PackageVersion = "12.8.0"; DllName = "Azure.Data.Tables.dll" },
         @{ PackageName = "Azure.Storage.Blobs"; PackageVersion = "12.13.0"; DllName = "Azure.Storage.Blobs.dll" },
         @{ PackageName = "Azure.Storage.Common"; PackageVersion = "12.12.0"; DllName = "Azure.Storage.Common.dll" },
         @{ PackageName = "Azure.Storage.Queues"; PackageVersion = "12.11.0"; DllName = "Azure.Storage.Queues.dll" },