Update opentelemetry requirement from 0.18.0 to 0.24.0 in /operator

Updates the requirements on [opentelemetry](https://github.com/open-telemetry/opentelemetry-rust) to permit the latest version.
- [Release notes](https://github.com/open-telemetry/opentelemetry-rust/releases)
- [Commits](open-telemetry/opentelemetry-rust@opentelemetry-0.18.0...opentelemetry-0.20.0)

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

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

operator/Cargo.toml

@@ -41,7 +41,7 @@ chrono = { version = "0.4.23", features = ["serde"] }
 tracing = "0.1.37"
 tracing-subscriber = { version = "0.3.16", features = ["json", "env-filter"] }
 tracing-opentelemetry = "0.18.0"
-opentelemetry = { version = "0.18.0", features = ["trace", "rt-tokio"] }
+opentelemetry = { version = "0.24.0", features = ["trace", "rt-tokio"] }
 opentelemetry-otlp = { version = "0.11.0", features = ["tokio"], optional = true }
 tonic = { version = "0.8.3", optional = true }
 thiserror = "1.0.37"