chore(deps): bump thiserror

Bumps the cargo-minor-patch group in /packages/protect-ffi with 1 update: [thiserror](https://github.com/dtolnay/thiserror).


Updates `thiserror` from 2.0.19 to 2.0.20
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@2.0.19...2.0.20)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-version: 2.0.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: cargo-minor-patch
...

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Author: dependabot[bot]