build(deps): bump js-yaml from 3.12.0 to 3.14.0

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.12.0 to 3.14.0.
- [Release notes](https://github.com/nodeca/js-yaml/releases)
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.12.0...3.14.0)

Signed-off-by: dependabot[bot] <support@github.com>