Update thiserror requirement from 1.0.38 to 2.0.3

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@1.0.38...2.0.3)

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

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

Cargo.toml

@@ -12,7 +12,7 @@ base64 = "0.22.1"
 reqwest = { version = "0.12", default_features = false, features = ["json", "default-tls", "stream"] }
 serde = { version = "1.0.152", features = ["serde_derive"] }
 serde_json = "1.0.96"
-thiserror = "1.0.38"
+thiserror = "2.0.3"
 rand = { default-features = false, version = "0.8.5" }
 chrono = "0.4.31"
 tokio = { version = "1.25.0", default_features = false, features = ["signal", "rt-multi-thread", "macros"] }