Upgrade: Bump yaml and semantic-release (#93)

Removes [yaml](https://github.com/eemeli/yaml). It's no longer used after updating ancestor dependency [semantic-release](https://github.com/semantic-release/semantic-release). These dependencies need to be updated together.


Removes `yaml`

Updates `semantic-release` from 19.0.3 to 21.0.1
- [Release notes](https://github.com/semantic-release/semantic-release/releases)
- [Commits](semantic-release/semantic-release@v19.0.3...v21.0.1)

---
updated-dependencies:
- dependency-name: yaml
  dependency-type: indirect
- dependency-name: semantic-release
  dependency-type: direct:development
...

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