Bump commons-math3 from 3.2 to 3.6.1 in /client/benchmark (#2139)

Bumps commons-math3 from 3.2 to 3.6.1.

---
updated-dependencies:
- dependency-name: org.apache.commons:commons-math3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

client/benchmark/build.gradle

@@ -43,7 +43,7 @@ mainClassName = 'org.opensearch.client.benchmark.BenchmarkMain'
 test.enabled = false
 
 dependencies {
-  api 'org.apache.commons:commons-math3:3.2'
+  api 'org.apache.commons:commons-math3:3.6.1'
 
   api project(":client:rest")
   // bottleneck should be the client, not OpenSearch