build(deps): update thiserror requirement from 1.0 to 2.0 (#23)

Updates the requirements on [thiserror](https://github.com/dtolnay/thiserror) to permit the latest version.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@1.0.0...2.0.3)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -13,7 +13,7 @@ edition = "2021"
 
 [dependencies]
 itertools = "0.13"
-thiserror = "1.0"
+thiserror = "2.0"
 
 [badges]
 travis-ci = { repository = "nozaq/usi-rs" }