Update course averages data

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.10%. Comparing base (2c18f6a) to head (d16baf6). Report is 1 commits behind head on master.

:exclamation: Current head d16baf6 differs from pull request most recent head 9551d1b

Please upload reports for the commit 9551d1b to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #588 +/- ## ======================================= Coverage 86.10% 86.10% ======================================= Files 45 45 Lines 6441 6441 ======================================= Hits 5546 5546 Misses 895 895 ```

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