Update dependency azure-pipelines-task-lib to v4.0.2

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
azure-pipelines-task-lib	4.0.0-preview -> 4.0.2

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Release Notes

Microsoft/azure-pipelines-task-lib

### [`v4.0.2`](https://togithub.com/Microsoft/azure-pipelines-task-lib/compare/b72e14acdd6ac4803cdb1812bed44ce7fe58f5d8...e7ac2097a1ba2fa94919f6ff12e9aa755565d3ec)

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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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• [ ] If you want to rebase/retry this PR, check this box

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