Speed up semver-checks CI job

[JSorngard]

Same as JSorngard/lambert_w#78.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.38%. Comparing base (a4ee14f) to head (6590347).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #109   +/-   ##
=======================================
  Coverage   95.38%   95.38%           
=======================================
  Files           6        6           
  Lines         801      801           
=======================================
  Hits          764      764           
  Misses         37       37           

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