Bump thiserror from 1.0.63 to 2.0.3 (#194)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.63 to 2.0.3.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@1.0.63...2.0.3)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Cargo.toml

@@ -30,7 +30,7 @@ jubjub = { version = "0.10", default-features = false }
 pasta_curves = { version = "0.5", default-features = false }
 rand_core = { version = "0.6", default-features = false }
 serde = { version = "1", optional = true, features = ["derive"] }
-thiserror = { version = "1.0", optional = true }
+thiserror = { version = "2.0", optional = true }
 frost-rerandomized = { version = "2.0.0-rc.0", optional = true, default-features = false, features = ["serialization", "cheater-detection"] }
 
 [dependencies.zeroize]