fix(deps): update thiserror requirement from 1.0.63 to 2.0.2

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@1.0.63...1.0.69)

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

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

Cargo.toml

@@ -14,7 +14,7 @@ chrono = { version = "0.4.38", default-features = false }
 prost = "0.13"
 prost-types = "0.13"
 scion-grpc = { version = "0.1.0", path = "crates/scion-grpc" }
-thiserror = "1.0.63"
+thiserror = "2.0.2"
 tonic = "0.12"
 tonic-build = "0.12"
 tracing = "0.1.40"