Bump hamcrest-core in /buildSrc/src/testKit/opensearch.build

Bumps [hamcrest-core](https://github.com/hamcrest/JavaHamcrest) from 1.3 to 2.2.
- [Release notes](https://github.com/hamcrest/JavaHamcrest/releases)
- [Changelog](https://github.com/hamcrest/JavaHamcrest/blob/master/CHANGES.md)
- [Commits](hamcrest/JavaHamcrest@hamcrest-java-1.3...v2.2)

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

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

buildSrc/src/testKit/opensearch.build/build.gradle

@@ -20,7 +20,7 @@ ext.noticeFile = file("NOTICE")
 dependencies {
   api "junit:junit:${versions.junit}"
   // missing classes in thirdparty audit
-  api 'org.hamcrest:hamcrest-core:1.3'
+  api 'org.hamcrest:hamcrest-core:2.2'
   jdkJarHell 'org.opensearch:opensearch-core:current'
 }