Temporarily disable error handling for Get-AzKeyVault -InRemovedState (…

…Azure#4329)

Co-authored-by: Ben Broderick Phillips <bebroder@microsoft.com>

eng/common/scripts/Helpers/Resource-Helpers.ps1

@@ -75,15 +75,23 @@ function Get-PurgeableResources {
 
   Write-Verbose "Retrieving deleted Key Vaults from subscription $subscriptionId"
 
-  # Get deleted Key Vaults for the current subscription.
-  $deletedKeyVaults = @(Get-AzKeyVault -InRemovedState `
-    | Add-Member -MemberType NoteProperty -Name AzsdkResourceType -Value 'Key Vault' -PassThru `
-    | Add-Member -MemberType AliasProperty -Name AzsdkName -Value VaultName -PassThru)
+  # TODO: Remove try/catch handler for Get-AzKeyVault - https://github.com/Azure/azure-sdk-tools/issues/5315
+  # This is a temporary workaround since Az module >= 9.2.0 uses a more recent API
+  # version than is supported in the dogfood cloud environment:
+  #
+  #   | The resource type 'deletedVaults' could not be found in the namespace 'Microsoft.KeyVault' for api version '2022-07-01'. The supported api-versions are
+  #   | '2016-10-01,2018-02-14-preview,2018-02-14,2019-09-01,2021-04-01-preview,2021-06-01-preview,2021-10-01,2021-11-01-preview'.
+  try {
+    # Get deleted Key Vaults for the current subscription.
+    $deletedKeyVaults = @(Get-AzKeyVault -InRemovedState `
+      | Add-Member -MemberType NoteProperty -Name AzsdkResourceType -Value 'Key Vault' -PassThru `
+      | Add-Member -MemberType AliasProperty -Name AzsdkName -Value VaultName -PassThru)
 
-  if ($deletedKeyVaults) {
-    Write-Verbose "Found $($deletedKeyVaults.Count) deleted Key Vaults to potentially purge."
-    $purgeableResources += $deletedKeyVaults
-  }
+    if ($deletedKeyVaults) {
+      Write-Verbose "Found $($deletedKeyVaults.Count) deleted Key Vaults to potentially purge."
+      $purgeableResources += $deletedKeyVaults
+    }
+  } catch { }
 
   return $purgeableResources
 }