Add Report-required-test-status in Github Workflows and add missed release notes

[wanliAlex]

Change Summary

This pull request introduces a new job to the GitHub Actions workflow for reporting the status of integration tests and updates the RELEASE.md file with detailed release notes for multiple versions of the project. Below is a summary of the most important changes:

Workflow Enhancements

• Added a Report-required-test-status job in .github/workflows/run_required_checks.yml to determine and report the status of integration tests. This job ensures GitHub status checks reflect whether the pull request is ready for merge, even when tests are skipped due to markdown-only changes.

Documentation Updates

• Updated RELEASE.md with detailed release notes for versions 2.16.0 through 2.18.1, including new features, bug fixes, and contributor acknowledgments. Highlights include:
  • Support for facets, hybrid search parameters, and configurable disk usage limits.
  • Bug fixes for issues like modality inference, index migration, and logging cleanup.
  • Reintroduction of support for specific models like multilingual-clip and Stella.

Related Jira Ticket

Checklist

• Tests have been added for changes
• Documentation has been updated
• Breaking changes are clearly identified
• Python client changes linked or N/A

For new field types:

• Tests cover score modifier usage of this new type
• Test indexes updated to cover the new type for all APIs (add docs, search, partial update, etc.)

[papa99do]

LGTM