[AUTO] [2.x] Add bwc version 2.19.3.

[opensearch-trigger-bot]

I've noticed that a new tag 2.19.2 was pushed, and added a bwc version 2.19.3.

[github-actions]

❌ Gradle check result for 219a60c: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for c36df29: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for c36df29: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

✅ Gradle check result for dc420d5: SUCCESS

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.92%. Comparing base (0276eae) to head (dc420d5).
Report is 1 commits behind head on 2.x.

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #18159      +/-   ##
============================================
- Coverage     72.01%   71.92%   -0.09%     
+ Complexity    66119    66101      -18     
============================================
  Files          5352     5352              
  Lines        307684   307685       +1     
  Branches      44920    44920              
============================================
- Hits         221580   221304     -276     
- Misses        67686    67982     +296     
+ Partials      18418    18399      -19     

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