Update thiserror requirement from 1.0.26 to 2.0.0

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@1.0.26...2.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -25,7 +25,7 @@ runtime = []
 
 [dependencies]
 serde = { version = "1.0.129", features = ["derive"] }
-thiserror = "1.0.26"
+thiserror = "2.0.0"
 serde_json = "1.0.66"
 quickcheck = { version = "1.0.3", optional = true }
 derive_builder = "0.20.0"