feat(search): update to support OpenSearch 2.x

[david-leifker]

• Upgrade Elasticsearch to use the OpenSearch client 2.9.0 which supports Elasticsearch 7.10, OpenSearch 1.x and 2.x
• Unit tests are refactored to control the concurrency of running test containers
• testng, the primary java test framework, updated version
• Created test suites in testng for opensearch/elasticsearch implementations
• Updated h2 version used in testing
• Smoke-test updated to use OpenSearch, docker-compose environment variables created to override the Elasticsearch default

Checklist

• The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• Links to related issues (if applicable)
• Tests for the changes have been added/updated (if applicable)
• Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub