add announce for deprecation of SparkConfigFilePath

Author: yanjungao718

src/Synapse/Synapse/Commands/ManagementCommands/SparkPool/UpdateAzureSynapseSparkPool.cs

@@ -21,6 +21,7 @@
 using Microsoft.Azure.Commands.Synapse.Properties;
 using Microsoft.Azure.Management.Internal.Resources.Utilities.Models;
 using Microsoft.Azure.Management.Synapse.Models;
+using Microsoft.WindowsAzure.Commands.Common.CustomAttributes;
 using Microsoft.WindowsAzure.Commands.Utilities.Common;
 using System;
 using System.Collections;
@@ -138,6 +139,7 @@ public class UpdateAzureSynapseSparkPool : SynapseManagementCmdletBase
             HelpMessage = HelpMessages.LibraryRequirementsFilePath)]
         public string LibraryRequirementsFilePath { get; set; }
 
+        [CmdletParameterBreakingChange("SparkConfigFilePath", ReplaceMentCmdletParameterName = "SparkConfiguration")]
         [Parameter(ValueFromPipelineByPropertyName = false, Mandatory = false,
            HelpMessage = HelpMessages.SparkConfigPropertiesFilePath)]
         public string SparkConfigFilePath { get; set; }