[Feature]: Bicep template support for AzureStack

### Description of the new feature

New-AzResourceGroupDeployment cmdlet supports bicep template for deployment against Azure. However, this cmdlet throws below error against AzureStack

```
PS C:\AzureStack-QuickStart-Templates\Bicep\101-vmss-windows-vm> New-AzResourceGroupDeployment -ResourceGroupName "biceptest" -TemplateFile .\azuredeploy.bicep -Verbose

VERBOSE: Performing the operation "Creating Deployment" on target "biceptest".
New-AzResourceGroupDeployment : Unexpected character encountered while parsing value: @. Path '', line 0, position 0.
At line:1 char:1
+ New-AzResourceGroupDeployment -ResourceGroupName "biceptest" -Templat ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : CloseError: (:) [New-AzResourceGroupDeployment], JsonReaderException
+ FullyQualifiedErrorId : Microsoft.Azure.Commands.ResourceManager.Cmdlets.Implementation.NewAzureResourceGroupDeploymentCmdlet
```

### Proposed implementation details (optional)

_No response_