chore: Use OIDC to authenticate to Azure in Github Actions

[kdestin]

Description

This pull request updates our workflows to use OpenID Connect (OIDC) to connect to Azure, in line guidance to avoid using Entra App Client Secrets.

Checklist

• I have read the contribution guidelines.
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• I have coordinated with the docs team (mldocs@microsoft.com) if this PR deletes files or changes any file names or file extensions.
• Pull request includes test coverage for the included changes.
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