textproc/opensearch: Update 2.17.1 => 3.0.0

Changelogs:
https://github.com/opensearch-project/OpenSearch/releases/tag/2.18.0
https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.1
https://github.com/opensearch-project/OpenSearch/releases/tag/3.0.0

Improve port:

• replace PORTREVISION with DISTVERSION;
• fix warnings from portclippy and portlint.

PR: 286647