[Security] Bump yaml-rust from 0.4.0 to 0.4.2 in /comparer
[Security] Bump yaml-rust from 0.4.0 to 0.4.2 in /comparer

Bumps [yaml-rust](https://github.com/chyh1990/yaml-rust) from 0.4.0 to 0.4.2. **This update includes security fixes.**
- [Release notes](https://github.com/chyh1990/yaml-rust/releases)
- [Commits](https://github.com/chyh1990/yaml-rust/compare/0.4.0...0.4.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
palfrey/kitling,palfrey/kitling,palfrey/kitling