[BUG] Renaming Repo Broke codecov

[macohen]

What is the bug?
Renaming our repository from search-relevance to search-processor broke the link to codecov.io.

How can one reproduce the bug?
Steps to reproduce the behavior:

1. Go to README.md
2. See codecov badge (codecov is unknown)
3. Click on codecov badge
4. 404

What is the expected behavior?
Code Coverage should show up on the badge