chore(deps): bump opentelemetry_sdk from 0.27.1 to 0.28.0

Bumps [opentelemetry_sdk](https://github.com/open-telemetry/opentelemetry-rust) from 0.27.1 to 0.28.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-rust/releases)
- [Commits](open-telemetry/opentelemetry-rust@opentelemetry_sdk-0.27.1...opentelemetry_sdk-0.28.0)

---
updated-dependencies:
- dependency-name: opentelemetry_sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -52,7 +52,7 @@ opentelemetry = { version = "0.27.1", features = ["metrics"] }
 opentelemetry-prometheus = "0.27.0"
 opentelemetry-proto = { workspace = true }
 opentelemetry-semantic-conventions = { version = "0.28.0" }
-opentelemetry_sdk = { version = "0.27.1", features = ["metrics"] }
+opentelemetry_sdk = { version = "0.28.0", features = ["metrics"] }
 ordered-float = { version = "4.6.0" }
 prometheus = "0.13.4"
 prost = { version = "0.13.5" }