avro

Bump zstd from 0.12.3+zstd.1.5.2 to 0.12.4 in /lang/rust (#2369)

Bumps [zstd](https://github.com/gyscos/zstd-rs) from 0.12.3+zstd.1.5.2 to 0.12.4.
- [Release notes](https://github.com/gyscos/zstd-rs/releases)
- [Commits](https://github.com/gyscos/zstd-rs/commits)

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

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