fix: update numpy random function to use a generator

[AbeCoull]

Issue #, if available:

Description of changes:

Recommendation from https://numpy.org/doc/stable/reference/random/generated/numpy.random.choice.html

Testing done:

Merge Checklist

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (a9808f3) to head (5ac1bdb).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##              main      #274    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           48        48            
  Lines         3802      3804     +2     
  Branches       930       396   -534     
==========================================
+ Hits          3802      3804     +2     

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