Update thiserror requirement from 1 to 2 (#25)

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...2.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Guillaume W. Bres <guillaume.bressaix@gmail.com>

cggtts/Cargo.toml

@@ -17,7 +17,7 @@ default = [] # no features by default
 scheduler = ["polyfit-rs"]
 
 [dependencies]
-thiserror = "1"
+thiserror = "2"
 scan_fmt = "0.1"
 strum = "0.26.3"
 itertools = "0.13.0"