[AUTO] Increment version to 2.15.0.0

[opensearch-trigger-bot[bot]]

• Incremented version to 2.15.0.0.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 69.60%. Comparing base (daadf78) to head (c96b442).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 2.x #1982 +/- ## ======================================= Coverage 69.60% 69.60% ======================================= Files 95 95 Lines 2461 2461 Branches 332 332 ======================================= Hits 1713 1713 Misses 666 666 Partials 82 82 ```

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