* Add support for Managed Identity auth for physical/Azure Obtain OAuth token from IMDS to allow for access to Azure Blob with short-lived dynamic credentials Fix #7322 * add tests & update docs/dependencies
The azure sdk for go is maintenance-only for storage, see https://github.com/Azure/azure-sdk-for-go/tree/master/storage\#azure-storage-sdk-for-go-preview Migrate to new azure-storage-blob-go SDK Minor test improvements Fix #9661