MAINT: Update pytest version and remove runtime deps

[bashtage]

Remove unnecesssary runtime deps
Update pythong to be >= 8.4.1

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.59%. Comparing base (b9cb0d0) to head (71d9c00).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #653   +/-   ##
=======================================
  Coverage   99.59%   99.59%           
=======================================
  Files          99       99           
  Lines       17335    17335           
  Branches     1445     1445           
=======================================
  Hits        17265    17265           
  Misses         26       26           
  Partials       44       44           

Flag	Coverage Δ
adder	99.57% <ø> (ø)
subtractor	99.57% <ø> (ø)

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