fix: run tests on pulls

[danielgtaylor]

This should ensure that the tests get run on pull requests by outside contributors as those don't trigger a push event.

[codecov]

Codecov Report

Merging #167 (306f440) into main (52c5089) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #167   +/-   ##
=======================================
  Coverage   74.88%   74.88%           
=======================================
  Files          25       25           
  Lines        3389     3389           
=======================================
  Hits         2538     2538           
  Misses        654      654           
  Partials      197      197           

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