chore(deps): bump js-yaml and gts

Bumps [js-yaml](https://github.com/nodeca/js-yaml) to 4.1.1 and updates ancestor dependency [gts](https://github.com/google/gts). These dependencies need to be updated together.


Updates `js-yaml` from 3.13.1 to 4.1.1
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.13.1...4.1.1)

Updates `gts` from 1.1.2 to 6.0.2
- [Release notes](https://github.com/google/gts/releases)
- [Changelog](https://github.com/google/gts/blob/main/CHANGELOG.md)
- [Commits](google/gts@v1.1.2...v6.0.2)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 4.1.1
  dependency-type: indirect
- dependency-name: gts
  dependency-version: 6.0.2
  dependency-type: direct:development
...

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

Author: dependabot[bot]