Update thiserror requirement from 1.0.0 to 2.0.6

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...2.0.6)

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

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

Cargo.toml

@@ -26,7 +26,7 @@ features = [ "_doc", "obo" ]
 [dependencies]
 serde_yaml = "0.9"
 serde_json = "1.0"
-thiserror = "1.0.0"
+thiserror = "2.0.6"
 [dependencies.serde]
 version = "1.0"
 features = ["derive"]