Update thiserror requirement from 1.0.30 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@1.0.30...2.0.3)

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

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

Author: dependabot[bot]

Cargo.toml

@@ -23,7 +23,7 @@ tokio-net = ["tokio/net"]
 [dependencies]
 futures-util = "0.3.8"
 pin-project-lite = "0.2.13"
-thiserror = "1.0.30"
+thiserror = "2.0.3"
 tokio = { version = "1.0", features = ["time"] }
 tokio-native-tls = { version = "0.3.0", optional = true }
 tokio-rustls = { version = ">=0.25.0,<0.27", default-features = false, optional = true }