chore(deps): bump the opentelemetry group across 1 directory with 5 updates

Bumps the opentelemetry group with 5 updates in the /backend directory:

| Package | From | To |
| --- | --- | --- |
| [opentelemetry](https://github.com/open-telemetry/opentelemetry-rust) | `0.29.1` | `0.30.0` |
| [opentelemetry-otlp](https://github.com/open-telemetry/opentelemetry-rust) | `0.29.0` | `0.30.0` |
| [opentelemetry-semantic-conventions](https://github.com/open-telemetry/opentelemetry-rust) | `0.29.0` | `0.30.0` |
| [opentelemetry_sdk](https://github.com/open-telemetry/opentelemetry-rust) | `0.29.0` | `0.30.0` |
| [tracing-opentelemetry](https://github.com/tokio-rs/tracing-opentelemetry) | `0.30.0` | `0.31.0` |



Updates `opentelemetry` from 0.29.1 to 0.30.0
- [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-0.29.1...opentelemetry-0.30.0)

Updates `opentelemetry-otlp` from 0.29.0 to 0.30.0
- [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-0.29.0...opentelemetry-otlp-0.30.0)

Updates `opentelemetry-semantic-conventions` from 0.29.0 to 0.30.0
- [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-semantic-conventions-0.29.0...opentelemetry-semantic-conventions-0.30.0)

Updates `opentelemetry_sdk` from 0.29.0 to 0.30.0
- [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_sdk-0.29.0...opentelemetry_sdk-0.30.0)

Updates `tracing-opentelemetry` from 0.30.0 to 0.31.0
- [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](https://github.com/tokio-rs/tracing-opentelemetry/commits)

---
updated-dependencies:
- dependency-name: opentelemetry
  dependency-version: 0.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
- dependency-name: opentelemetry-otlp
  dependency-version: 0.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
- dependency-name: opentelemetry-semantic-conventions
  dependency-version: 0.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
- dependency-name: opentelemetry_sdk
  dependency-version: 0.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
- dependency-name: tracing-opentelemetry
  dependency-version: 0.31.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: opentelemetry
...

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

Author: dependabot[bot]

backend/Cargo.lock

@@ -8,13 +8,13 @@ description = "A telemetry library for collecting and exporting metrics and trac
 
 [dependencies]
 clap = { workspace = true }
-opentelemetry = { version = "0.29.1" }
-opentelemetry-otlp = { version = "0.29.0", features = ["metrics", "grpc-tonic"] }
-opentelemetry-semantic-conventions = "0.29.0"
-opentelemetry_sdk = { version = "0.29.0", features = ["rt-tokio"] }
+opentelemetry = { version = "0.30.0" }
+opentelemetry-otlp = { version = "0.30.0", features = ["metrics", "grpc-tonic"] }
+opentelemetry-semantic-conventions = "0.30.0"
+opentelemetry_sdk = { version = "0.30.0", features = ["rt-tokio"] }
 thiserror = { workspace = true }
 tracing = { workspace = true }
-tracing-opentelemetry = { version = "0.30.0" }
+tracing-opentelemetry = { version = "0.31.0" }
 tracing-subscriber = { version = "0.3.19" }
 url = { workspace = true }