Update tracing-opentelemetry requirement from 0.27.0 to 0.28.0

Updates the requirements on [tracing-opentelemetry](https://github.com/tokio-rs/tracing-opentelemetry) to permit the latest version.
- [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@v0.27.0...v0.28.0)

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

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

Author: dependabot[bot]

src/hyperlight_host/Cargo.toml

@@ -90,7 +90,7 @@ env_logger = "0.11.5"
 tracing-forest = { version = "0.1.6", features = ["uuid","chrono","smallvec","serde","env-filter"] }
 tracing = "0.1.37"
 tracing-subscriber = {version = "0.3.18", features = ["std", "env-filter"]}
-tracing-opentelemetry = "0.27.0"
+tracing-opentelemetry = "0.28.0"
 opentelemetry = "0.26.0"
 opentelemetry-otlp = { version = "0.26.0", features = ["default"] }
 opentelemetry_sdk = { version = "0.26.0", features = ["rt-tokio"] }