[rush-azure-storage-build-cache-plugin] Add support for auth via AzurePipelinesCredential

[jeremymeng]

Summary

AzurePipelinesCredential supports Federated Identity Credentials (FIC) through Service Connections, which makes authenticating in Azure Pipelines easier and more secure. This PR adds AzurePipelinesCredential support to rush azure storage build cache.

Details

How it was tested

Impacted documentation