[Feature Request]: Support Azure AD Token Provider in CLI

[MaxwellSalmon]

Do you need to file an issue?

• I have searched the existing issues and this feature is not already filed.
• My model is hosted on OpenAI or Azure. If not, please look at the "model providers" issue and don't file a new one here.
• I believe this is a legitimate feature request, not just a question. If this is a question, please use the Discussions area.

Is your feature request related to a problem? Please describe.

Please support using azure_ad_token_provider in the CLI

I am unable to see how I could use az_ad_token_provider in the settings.yaml pipeline. The docs only mention API key.

Describe the solution you'd like

I would like to be able to use azure_ad_token_provider for authentication.

Additional context

No response

[natoverse]

If you omit your API key from the config, GraphRAG fallback to using Azure managed identity. You'll need to use az login on the command line.