updating deprecation warning text to indicate the replacement of PurgeDisabled

Author: Dragos Avadanei

src/ResourceManager/KeyVault/Commands.KeyVault/Models/KeyAttributes.cs

@@ -65,7 +65,7 @@ internal KeyAttributes(bool? enabled, DateTime? expires, DateTime? notBefore, st
 
         public DateTime? Updated { get; private set; }
 
-        [Obsolete("This property is being deprecated and will be removed in a future release")]
+        [Obsolete("The PurgeDisabled property is being deprecated and will be removed in a future release. Please use the RecoveryLevel property instead.")]
         public bool PurgeDisabled { get; private set; }
 
         public string RecoveryLevel { get; private set; }

src/ResourceManager/KeyVault/Commands.KeyVault/Models/KeyIdentityItem.cs

@@ -68,7 +68,7 @@ internal KeyIdentityItem(KeyBundle keyBundle)
 
         public DateTime? Updated { get; private set; }
 
-        [Obsolete( "This property is being deprecated and will be removed in a future release" )]
+        [Obsolete( "The PurgeDisabled property is being deprecated and will be removed in a future release. Please use the RecoveryLevel property instead." )]
         public bool PurgeDisabled { get; private set; }
 
         public string RecoveryLevel { get; private set; }

src/ResourceManager/KeyVault/Commands.KeyVault/Models/SecretAttributes.cs

@@ -62,7 +62,7 @@ internal SecretAttributes(bool? enabled, DateTime? expires, DateTime? notBefore,
 
         public Hashtable Tags { get; set; }
 
-        [Obsolete( "This property is being deprecated and will be removed in a future release" )]
+        [Obsolete( "The PurgeDisabled property is being deprecated and will be removed in a future release. Please use the RecoveryLevel property instead." )]
         public bool PurgeDisabled { get; private set; }
 
         public string RecoveryLevel { get; private set; }