tell project to look for missing 3rd party libs on our own repository

[haileyajohnson]

Description of Changes

Erase this and add a general description of changes, heads-up on any tricky parts, etc., here.

PR Checklist

• [ ] Link to any issues that the PR addresses
• [ ] Add labels
• [ ] Open as a draft PR until ready for review
• [ ] Make sure GitHub tests pass
• [ ] Mark PR as "Ready for Review"