[Snyk] Upgrade js-yaml from 3.14.0 to 4.1.0

[snyk-bot]

Snyk has created this PR to upgrade js-yaml from 3.14.0 to 4.1.0.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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Warning: This is a major version upgrade, and may be a breaking change.

• The recommended version is 3 versions ahead of your current version.
• The recommended version was released 9 months ago, on 2021-04-14.

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Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open upgrade PRs.

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[ops-github-DU4JOAWE]

This change is