Bump org.opensearch.client:opensearch-java from 2.18.0 to 2.19.0

Bumps [org.opensearch.client:opensearch-java](https://github.com/opensearch-project/opensearch-java) from 2.18.0 to 2.19.0.
- [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@v2.18.0...v2.19.0)

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

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

pom.xml

@@ -34,7 +34,7 @@
         <quarkus.platform.version>3.16.3</quarkus.platform.version>
         <quarkus-amazon-services.version>3.1.0</quarkus-amazon-services.version>
         <opensearch.version>2.18.0</opensearch.version>
-        <opensearch.client.version>2.18.0</opensearch.client.version>
+        <opensearch.client.version>2.19.0</opensearch.client.version>
         <opensearch-testcontainers.version>2.1.2</opensearch-testcontainers.version>
         <apache.httpccore5.version>5.3.1</apache.httpccore5.version>
         <apache.httpclient5.version>5.4.1</apache.httpclient5.version>