Update thiserror requirement from 1.0 to 2.0 (#31)

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...2.0.17)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-version: 2.0.17
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -14,7 +14,7 @@ edition = "2018"
 time = "0.3"
 serde = { version = "1.0", optional = true, features=["derive"] }
 serde_json = { version = "1.0", optional = true }
-thiserror = "1.0"
+thiserror = "2.0"
 
 [dev-dependencies]
 timeit = { version = "0.1", git = "https://github.com/Roguelazer/timeit", rev = "9e9f2e1b9ab9537a72fc4e59ccfc1e89b5b51239" }