Bump org.opensearch.client:opensearch-java from 3.7.0 to 3.8.0

Bumps [org.opensearch.client:opensearch-java](https://github.com/opensearch-project/opensearch-java) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/opensearch-project/opensearch-java/releases)
- [Changelog](https://github.com/opensearch-project/opensearch-java/blob/main/CHANGELOG.md)
- [Commits](opensearch-project/opensearch-java@v3.7.0...v3.8.0)

---
updated-dependencies:
- dependency-name: org.opensearch.client:opensearch-java
  dependency-version: 3.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -452,7 +452,7 @@ under the License.
 
     <elasticsearch.version>9.2.7</elasticsearch.version>
     <opensearch.version>3.5.0</opensearch.version>
-    <opensearch-java.version>3.7.0</opensearch-java.version>
+    <opensearch-java.version>3.8.0</opensearch-java.version>
 
     <openfga.version>v1</openfga.version>