chore(deps): bump opentelemetry-otlp from 0.27.0 to 0.31.0

Bumps [opentelemetry-otlp](https://github.com/open-telemetry/opentelemetry-rust) from 0.27.0 to 0.31.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-rust/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/main/docs/release_0.30.md)
- [Commits](open-telemetry/opentelemetry-rust@opentelemetry-otlp-0.27.0...v0.31.0)

---
updated-dependencies:
- dependency-name: opentelemetry-otlp
  dependency-version: 0.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -69,7 +69,7 @@ opentelemetry-jaeger = { features = ["collector_client", "isahc", "rt-tokio"], o
 tracing = { version = "0.1" }
 tracing-opentelemetry = { optional = true, version = "0.30.0" }
 tracing-subscriber = { optional = true, version = "0.3" }
-opentelemetry-otlp = { optional = true, version = "0.27.0" }
+opentelemetry-otlp = { optional = true, version = "0.31.0" }
 opentelemetry_sdk = { optional = true, version = "0.29", features = ["rt-tokio"] }
 
 # internal deps