Bump serde_yaml from 0.9.30 to 0.9.34+deprecated

Bumps [serde_yaml](https://github.com/dtolnay/serde-yaml) from 0.9.30 to 0.9.34+deprecated.
- [Release notes](https://github.com/dtolnay/serde-yaml/releases)
- [Commits](dtolnay/serde-yaml@0.9.30...0.9.34)

---
updated-dependencies:
- dependency-name: serde_yaml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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