BUG: Running the script on GovCloud resutls in errors with BackupPlans

[DamaniN]

Running the command ./Get-AWSSizingInfo.ps1 -Partition GovCloud results in the following error:

Failed to get Backup Plans Info for region us-gov-east-1 in account XXXXXXXXXXXX                                        
Error: nodename nor servname provided, or not known (ce.us-gov-east-1.amazonaws.com:443)                                
Write-Error: An error occurred and the script has exited prematurely:                                                   
Write-Error: You cannot call a method on a null-valued expression.                                                      
Write-Error: at <ScriptBlock>, ./rubrik-sizing-scripts/CLOUD/Get-AWSSizingInfo.ps1: line 1813  
at <ScriptBlock>, ./rubrik-sizing-scripts/CLOUD/Get-AWSSizingInfo.ps1: line 1813               
at <ScriptBlock>, <No file>: line 1 

The script line that this occurs in is:

  $backupTotalNetUnblendedCost = ($backupCostsList.AWSBackupNetUnblendedCost | ForEach-Object { [decimal]($_.TrimStart('$')) } | Measure-Object -Sum).sum