chore(deps): bump thiserror from 2.0.15 to 2.0.16

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 2.0.15 to 2.0.16.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/2.0.15...2.0.16)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-version: 2.0.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

rpxy-certs/Cargo.toml

@@ -19,7 +19,7 @@ http3 = []
 ahash = { version = "0.8.12" }
 tracing = { version = "0.1.41" }
 derive_builder = { version = "0.20.2" }
-thiserror = { version = "2.0.15" }
+thiserror = { version = "2.0.16" }
 hot_reload = { version = "0.2.0" }
 async-trait = { version = "0.1.89" }
 rustls = { version = "0.23.31", default-features = false, features = [