Update thiserror requirement from 1.0 to 2.0

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@1.0.0...2.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.toml

@@ -32,7 +32,7 @@ streaming = ["dep:reqwest-websocket", "dep:futures"]
 reqwest = { version = "0.12", default-features = false, features = ["json"] }
 serde = { version = "1.0", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0", features = [] }
-thiserror = { version = "1.0" }
+thiserror = { version = "2.0" }
 
 reqwest-websocket = { version = "0.4", optional = true, default-features = false, features = ["json"] }
 futures = { version = "0.3", optional = true, default-features = false, features = [] }