deps: bump the opentelemetry group with 3 updates

Bumps the opentelemetry group with 3 updates: [opentelemetry-proto](https://github.com/open-telemetry/opentelemetry-rust), [opentelemetry](https://github.com/open-telemetry/opentelemetry-rust) and [opentelemetry_sdk](https://github.com/open-telemetry/opentelemetry-rust).


Updates `opentelemetry-proto` from 0.27.0 to 0.28.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-rust/releases)
- [Commits](open-telemetry/opentelemetry-rust@opentelemetry-proto-0.27.0...opentelemetry-proto-0.28.0)

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

Updates `opentelemetry_sdk` 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-proto
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
- dependency-name: opentelemetry
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
- dependency-name: opentelemetry_sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
...

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

Cargo.toml

@@ -55,9 +55,9 @@ tokio = { version = "1.43.0", features = ["macros", "rt-multi-thread", "signal",
 tokio-util = "0.7.13"
 
 # OTLP dependencies
-opentelemetry-proto = { version = "0.27.0", default-features = false, features = ["gen-tonic-messages", "logs", "trace", "metrics"], optional = true }
-opentelemetry = { version = "0.27.1", default-features = false, features = ["trace"], optional = true }
-opentelemetry_sdk = { version = "0.27.1", default-features = false, features = ["trace"], optional = true }
+opentelemetry-proto = { version = "0.28.0", default-features = false, features = ["gen-tonic-messages", "logs", "trace", "metrics"], optional = true }
+opentelemetry = { version = "0.28.0", default-features = false, features = ["trace"], optional = true }
+opentelemetry_sdk = { version = "0.28.0", default-features = false, features = ["trace"], optional = true }
 tracing-core = {version = "0.1.32", optional = true }
 prost = {version = "0.13.4", optional = true }
 axum-extra = { version = "0.10.0", default-features = false }