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Description
Update bwc workflow to include 2.15.0-SNAPSHOT, standard housekeeping work after 2.14 release, similar to https://github.com/opensearch-project/neural-search/pull/673
Check List
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.