deps: bump io.opentelemetry:opentelemetry-semconv

Bumps [io.opentelemetry:opentelemetry-semconv](https://github.com/open-telemetry/opentelemetry-java) from 1.1.0-alpha to 1.30.1-alpha.
- [Release notes](https://github.com/open-telemetry/opentelemetry-java/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-java/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-java/commits)

---
updated-dependencies:
- dependency-name: io.opentelemetry:opentelemetry-semconv
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

google-cloud-datastore/pom.xml

@@ -231,7 +231,7 @@
     <dependency>
       <groupId>io.opentelemetry</groupId>
       <artifactId>opentelemetry-semconv</artifactId>
-      <version>1.1.0-alpha</version>
+      <version>1.30.1-alpha</version>
       <scope>test</scope>
     </dependency>
     <!-- END OpenTelemetry -->