Bump org.opensearch.client:spring-data-opensearch-starter

Bumps [org.opensearch.client:spring-data-opensearch-starter](https://github.com/opensearch-project/spring-data-opensearch) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/opensearch-project/spring-data-opensearch/releases)
- [Commits](opensearch-project/spring-data-opensearch@v1.3.0...v1.4.0)

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

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

pom.xml

@@ -39,7 +39,7 @@
         <jackson.version>2.15.2</jackson.version>
         <hibernate.version>6.3.2.Final</hibernate.version>
         <junit.version>5.9.3</junit.version>
-        <opensearch.version>1.3.0</opensearch.version>
+        <opensearch.version>1.4.0</opensearch.version>
         <shedlock.version>5.13.0</shedlock.version>
         <spring-boot.version>3.2.5</spring-boot.version>
         <jose.version>0.9.6</jose.version>