Bump js-yaml and @types/js-yaml

Bumps [js-yaml](https://github.com/nodeca/js-yaml) and [@types/js-yaml](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/js-yaml). These dependencies needed to be updated together.

Updates `js-yaml` from 3.14.1 to 4.1.0
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.14.1...4.1.0)

Updates `@types/js-yaml` from 3.12.8 to 4.0.9
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/js-yaml)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: "@types/js-yaml"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>