Bump rustix in /examples/rust/sequential_functions

Bumps [rustix](https://github.com/bytecodealliance/rustix) from 0.37.20 to 0.37.25.
- [Release notes](https://github.com/bytecodealliance/rustix/releases)
- [Commits](bytecodealliance/rustix@v0.37.20...v0.37.25)

---
updated-dependencies:
- dependency-name: rustix
  dependency-type: indirect
...

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