textproc/opensearch-dashboards: Update to 2.0.0

Announcement:
https://opensearch.org/blog/releases/2022/05/opensearch-2-0-is-now-available/

Release notes:
https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.0.0.md

With hat: opensearch