OpenSearch bug fixes: task cancellation, profiler timing, regex queries

AI Impact Summary

OpenSearch has released several bug fixes focused on improving system stability and query performance. Specifically, the updates address task cancellation checks in aggregators, timing issues in the profiler, and enhancements to regex query handling, particularly with field aliases. These changes don't require any user action, representing a maintenance update to the core OpenSearch functionality. This release demonstrates ongoing efforts to refine OpenSearch's reliability and query capabilities.