Bump io.opentelemetry.contrib:opentelemetry-samplers (#296)

Bumps [io.opentelemetry.contrib:opentelemetry-samplers](https://github.com/open-telemetry/opentelemetry-java-contrib) from 1.38.0-alpha to 1.39.0-alpha.
- [Release notes](https://github.com/open-telemetry/opentelemetry-java-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-java-contrib/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-java-contrib/commits)

---
updated-dependencies:
- dependency-name: io.opentelemetry.contrib:opentelemetry-samplers
  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>

pom.xml

@@ -98,7 +98,7 @@
 		<dependency>
 			<groupId>io.opentelemetry.contrib</groupId>
 			<artifactId>opentelemetry-samplers</artifactId>
-			<version>1.38.0-alpha</version>
+			<version>1.39.0-alpha</version>
 		</dependency>
 		<dependency>
 			<groupId>net.ttddyy.observation</groupId>