Get rid of C-style random usage

[aobolensk]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.97%. Comparing base (fd6e3d6) to head (8a4ea60).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #231   +/-   ##
=======================================
  Coverage   83.97%   83.97%           
=======================================
  Files          44       44           
  Lines        2665     2665           
  Branches     1466     1466           
=======================================
  Hits         2238     2238           
  Misses        219      219           
  Partials      208      208           

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