build(deps): bump io.opentelemetry:opentelemetry-bom (GoogleCloudPlatform#3287)

Bumps [io.opentelemetry:opentelemetry-bom](https://github.com/open-telemetry/opentelemetry-java) from 1.49.0 to 1.50.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-java/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-java/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-java@v1.49.0...v1.50.0)

---
updated-dependencies:
- dependency-name: io.opentelemetry:opentelemetry-bom
  dependency-version: 1.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

benchmarks/latency-comparison/java/pom.xml

@@ -43,7 +43,7 @@
       <dependency>
         <groupId>io.opentelemetry</groupId>
         <artifactId>opentelemetry-bom</artifactId>
-        <version>1.49.0</version>
+        <version>1.50.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>