chore(deps): update opentelemetry requirement from 0.21.0 to 0.23.0

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_sdk-0.21.0...opentelemetry-0.23.0)

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

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

examples/bank-accounting/Cargo.toml

@@ -14,7 +14,7 @@ eventually = { path = "../../eventually", features = [
 ] }
 eventually-macros = { path = "../../eventually-macros" }
 eventually-postgres = { path = "../../eventually-postgres" }
-opentelemetry = "0.21.0"
+opentelemetry = "0.23.0"
 opentelemetry-otlp = "0.14.0"
 opentelemetry_sdk = { version = "0.21.2", features = ["rt-tokio"] }
 prost = "0.12.3"