Mockito upgrade to support JDK 23

[rithin-pullela-aws]

Description

Upgraded mockito in all the packages and made sure the failing test testcases in #3546 are passing.
Did not run all the test cases in local to save time(takes 30 mins).
MERGE ONLY AFTER JDK 23 BUILD PASSES

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• New functionality includes testing.
• New functionality has been documented.
• API changes companion pull request created.
• Commits are signed per the DCO using --signoff.
• Public documentation issue/PR created.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[mingshl]

flaky test

REPRODUCE WITH: gradlew ':opensearch-ml-plugin:test' --tests "org.opensearch.ml.action.prediction.PredictionITTests.testPredictionWithDataFrame_BatchRCF" -Dtests.seed=F9FEF2C7942CCFB9 -Dtests.security.manager=false -Dtests.locale=ar-AE -Dtests.timezone=America/Tijuana -Druntime.java=23
PredictionITTests > testPredictionWithDataFrame_BatchRCF FAILED
    java.util.ConcurrentModificationException
  

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.30%. Comparing base (d7dec0f) to head (aeb32e8).
Report is 12 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3547      +/-   ##
============================================
+ Coverage     80.25%   80.30%   +0.05%     
- Complexity     6906     6926      +20     
============================================
  Files           610      610              
  Lines         30077    30199     +122     
  Branches       3368     3372       +4     
============================================
+ Hits          24137    24252     +115     
- Misses         4487     4492       +5     
- Partials       1453     1455       +2     

Flag	Coverage Δ
ml-commons	80.30% <ø> (+0.05%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[dhrubo-os]

this test finally passed. Approving the PR.