Update dependency azure-pipelines-task-lib to ^4.16.0

[jessehouwing]

This PR contains the following updates:

Package	Type	Update	Change
azure-pipelines-task-lib	dependencies	minor	^4.15.0 -> ^4.16.0

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Release Notes

Microsoft/azure-pipelines-task-lib (azure-pipelines-task-lib)

### [`v4.16.0`](https://togithub.com/Microsoft/azure-pipelines-task-lib/compare/a783d8aad0f4d3b218300dd1f0d291b0435623a0...69ea14e4d98f39ef53c5230534cac7e8ffa464dd) [Compare Source](https://togithub.com/Microsoft/azure-pipelines-task-lib/compare/a783d8aad0f4d3b218300dd1f0d291b0435623a0...69ea14e4d98f39ef53c5230534cac7e8ffa464dd)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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