chore(deps): bump lz4_flex

Bumps the cargo group with 1 update in the /czech-file-knife directory: [lz4_flex](https://github.com/pseitz/lz4_flex).


Updates `lz4_flex` from 0.13.0 to 0.13.1
- [Release notes](https://github.com/pseitz/lz4_flex/releases)
- [Changelog](https://github.com/PSeitz/lz4_flex/blob/main/CHANGELOG.md)
- [Commits](https://github.com/pseitz/lz4_flex/commits)

---
updated-dependencies:
- dependency-name: lz4_flex
  dependency-version: 0.13.1
  dependency-type: direct:production
  dependency-group: cargo
...

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