Request for Adding Monitoring Flag to Enable Monitoring on VM Create

### Preconditions

- [X] No need to upgrade Python SDK or the Python SDK is ready.

### Related command

az vm create --enable-azure-monitor-metrics

### Resource Provider

Microsoft.Compute/VirtualMachines, Microsoft.Compute/VirtualMachinesScaleSets

### Description of Feature or Work Requested

The Azure Monitor team, in partnership with the HPC team is aiming to deliver a comprehensive [Observability solution] for AI/ML workloads running on HPC virtual machines and virtual machine scale sets. I am reaching out to get some assistance with updating VM/VMSS create CLI with a --enable-azure-monitor-metrics flag which will provide customers more flexibility for enabling this monitoring solution on VM/VMSS resources.

I have created a one pager doc(see below) that summarizes our ask, please can you provide with some guidance on next steps? Looking forward to your response!

[ Enabling monitoring using Azure CLI and Powershell Spec Draft.docx]

### Minimum API Version Required

N/A

### Swagger PR link / SDK link

N/A

### Request Example

_No response_

### Target Date

2025-03-01

### PM Contact

dakpan

### Engineer Contact

ananilku

### Additional context

[ Enabling monitoring using Azure CLI and Powershell Spec Draft.docx](https://microsoft.sharepoint.com/:w:/t/hpcaisoftecoteam/Ed-Uqso8H-hLvz9DyP3B_NUBc8XFrLI-ByZ8aknVgrMtcw?e=fMmZO9&xsdata=MDV8MDJ8ZGFrcGFuQG1pY3Jvc29mdC5jb218ZDc1OWE2YzM5YzAzNGI4NzRkODEwOGRjZDFhYmU0OTl8NzJmOTg4YmY4NmYxNDFhZjkxYWIyZDdjZDAxMWRiNDd8MXwwfDYzODYxNTc4MzU1NDgyMjMzNnxVbmtub3dufFRXRnBiR1pzYjNkOGV5SldJam9pTUM0d0xqQXdNREFpTENKUUlqb2lWMmx1TXpJaUxDSkJUaUk2SWsxaGFXd2lMQ0pYVkNJNk1uMD18MHx8fA%3d%3d&sdata=UXJBR0h0Smo4ZkxyaXlLU2s3YmdYVDNOU0Y0ekdoaFNDblE1Yjg0clZCbz0%3d)