Bump YamlDotNet from 5.4.0 to 6.1.2
Bump YamlDotNet from 5.4.0 to 6.1.2

Bumps [YamlDotNet](https://github.com/aaubry/YamlDotNet) from 5.4.0 to 6.1.2.
- [Release notes](https://github.com/aaubry/YamlDotNet/releases)
- [Changelog](https://github.com/aaubry/YamlDotNet/blob/master/RELEASE_NOTES.md)
- [Commits](https://github.com/aaubry/YamlDotNet/compare/v5.4.0...v6.1.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
matarillo/dot-gimei