Add `csv` as a supported output format

### Preconditions

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

### Related command

_No response_

### Resource Provider

N/A

### Description of Feature or Work Requested

Azure CLI supports several output format as described in the following page:
https://learn.microsoft.com/en-us/cli/azure/format-output-azure-cli

Supporting 'csv' as an output format would simplify workflows that rely on Excel.

### Minimum API Version Required

N/A

### Swagger PR link / SDK link

N/A

### Request Example

_No response_

### Target Date

2024-11-01

### PM Contact

dcaro

### Engineer Contact

N/A

### Additional context

_No response_