Bump nix from 0.16.1 to 0.24.2 in /experimental/rs

Bumps [nix](https://github.com/nix-rust/nix) from 0.16.1 to 0.24.2.
- [Release notes](https://github.com/nix-rust/nix/releases)
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](nix-rust/nix@v0.16.1...v0.24.2)

---
updated-dependencies:
- dependency-name: nix
  dependency-type: direct:production
...

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