build(deps): bump the rust-deps group with 1 update

Bumps the rust-deps group with 1 update: [tracing-opentelemetry](https://github.com/tokio-rs/tracing-opentelemetry).

- [Release notes](https://github.com/tokio-rs/tracing-opentelemetry/releases)
- [Changelog](https://github.com/tokio-rs/tracing-opentelemetry/blob/v0.1.x/CHANGELOG.md)
- [Commits](tokio-rs/tracing-opentelemetry@v0.20.0...v0.21.0)

---
updated-dependencies:
- dependency-name: tracing-opentelemetry
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-deps
...

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

Cargo.toml

@@ -79,7 +79,7 @@ opentelemetry-jaeger = { version = "0.19.0", features = [
     "isahc_collector_client",
     "collector_client",
 ], optional = true }
-tracing-opentelemetry = { version = "0.20.0", optional = true }
+tracing-opentelemetry = { version = "0.21.0", optional = true }
 
 # remote-packages
 reqwest = { version = "0.11.18", default-features = false, features = [