[AUTO] Increment version to 2.18.0.0

[opensearch-trigger-bot[bot]]

• Incremented version to 2.18.0.0.

[codecov[bot]]

Codecov Report

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

Please upload report for BASE (2.18@a545ffc). Learn more about missing BASE report.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 2.18 #1138 +/- ## ======================================= Coverage ? 48.09% ======================================= Files ? 237 Lines ? 7178 Branches ? 1061 ======================================= Hits ? 3452 Misses ? 3723 Partials ? 3 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.