Bump js-yaml from 3.14.1 to 4.0.0 (#15484)
* Bump js-yaml from 3.14.1 to 4.0.0
Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.14.1 to 4.0.0.
- [Release notes](https://github.com/nodeca/js-yaml/releases)
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodeca/js-yaml/compare/3.14.1...4.0.0)
Signed-off-by: dependabot[bot] <support@github.com>
* Replace deprecated method
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>
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