Bump org.hamcrest:hamcrest from 2.2 to 3.0 in /java-client

Bumps [org.hamcrest:hamcrest](https://github.com/hamcrest/JavaHamcrest) from 2.2 to 3.0.
- [Release notes](https://github.com/hamcrest/JavaHamcrest/releases)
- [Changelog](https://github.com/hamcrest/JavaHamcrest/blob/master/CHANGES.md)
- [Commits](hamcrest/JavaHamcrest@v2.2...v3.0)

---
updated-dependencies:
- dependency-name: org.hamcrest:hamcrest
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

java-client/build.gradle.kts

@@ -179,7 +179,7 @@ dependencies {
     // Apache 2.0
     api("commons-logging:commons-logging:1.3.3")
     compileOnly("org.opensearch.client", "opensearch-rest-client", opensearchVersion)
-    testImplementation("org.hamcrest:hamcrest:2.2")
+    testImplementation("org.hamcrest:hamcrest:3.0")
     testImplementation("com.carrotsearch.randomizedtesting:randomizedtesting-runner:2.8.1") {
         exclude(group = "junit")
     }