Use ES bulk-indexing API for project associations
What does this MR do?
Use the ES bulk-indexing API to speed up importing project associations.
Does this MR meet the acceptance criteria?
- Changelog entry
- Documentation created/updated or follow-up review issue created
- Code review guidelines
- Merge request performance guidelines
- Style guides
- Database guides
- Separation of EE specific content
Performance and testing
- Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
- Tested in all supported browsers
Closes #11595 (closed)