textproc/opensearch: Update to 2.1.0

Announcement:
https://opensearch.org/blog/releases/2022/07/opensearch-2-1-is-available-now/

Release notes:
https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.1.0.md

With hat: opensearch
PR: 265085