Bump yaml from 2.6.0 to 2.6.1 (#350)

Bumps [yaml](https://github.com/eemeli/yaml) from 2.6.0 to 2.6.1.
- [Release notes](https://github.com/eemeli/yaml/releases)
- [Commits](eemeli/yaml@v2.6.0...v2.6.1)

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

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