Don't run no-commit-to-branch check for CI

[puddly]

Merging PRs causes CI failures because the check runs even when we want to merge to dev: https://github.com/puddly/serialx/actions/runs/25325510481

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.73%. Comparing base (71c3b1d) to head (08a4f31).

Additional details and impacted files

@@            Coverage Diff             @@
##              dev      #76      +/-   ##
==========================================
+ Coverage   90.70%   90.73%   +0.02%     
==========================================
  Files          22       22              
  Lines        3367     3367              
==========================================
+ Hits         3054     3055       +1     
+ Misses        313      312       -1     

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