Update box.json

[ewallah]

Fixes #363 - Missing json file in moodle-plugin-ci.phar

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.33%. Comparing base (7e8efb4) to head (6bfae2f).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #364   +/-   ##
=========================================
  Coverage     88.33%   88.33%           
  Complexity      763      763           
=========================================
  Files            77       77           
  Lines          2348     2348           
=========================================
  Hits           2074     2074           
  Misses          274      274           

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[kabalin]

Thanks @ewallah, this will be closed via #368 (I cherry-picked your commits, thanks for contribution!)