Bump yaml from 2.1.1 to 2.1.2

Bumps [yaml](https://github.com/eemeli/yaml) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/eemeli/yaml/releases)
- [Commits](eemeli/yaml@v2.1.1...v2.1.2)

---
updated-dependencies:
- dependency-name: yaml
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]