infra: update to cloudpickle 3.x

[math411]

Issue #, if available:

Description of changes:

Testing done:

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (42d0ef8) to head (b358995).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1032   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          135       135           
  Lines         9032      9032           
  Branches      2029      2029           
=========================================
  Hits          9032      9032           

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