Bump yaml from 2.1.1 to 2.2.2 (#63)

Bumps [yaml](https://github.com/eemeli/yaml) from 2.1.1 to 2.2.2.
- [Release notes](https://github.com/eemeli/yaml/releases)
- [Commits](eemeli/yaml@v2.1.1...v2.2.2)

---
updated-dependencies:
- dependency-name: yaml
  dependency-type: indirect
...

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