[Snyk] Security upgrade azure-pipelines-task-lib from 3.4.0 to 4.7.0

[snyker-nb]

This PR was automatically created by Snyk using the credentials of a real user.


Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json
• package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Prototype Pollution SNYK-JS-MOCKERY-3043117	589

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🦉 Prototype Pollution

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