Update @azure/identity to latest stable version (4.13.1) (#433)

* Initial plan

* Update @azure/identity to v4.13.1 (latest stable)

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Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

* Revert @azure/identity from package.json, update package-lock.json via npm i

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Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

Author: Copilot