chore: Workaround for Pydantic misbehaving with FreezeGun

[zachaysan]

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Changes

Introduce a pytest hook that runs before all the tests and runs an import which disables a typing error that Pydantic has with FreezeGun.

How did you test this code?

Watched a sample test fail. Added the workaround. Watched the sample test pass.

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.87%. Comparing base (41981d4) to head (24431cb).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3876   +/-   ##
=======================================
  Coverage   95.86%   95.87%           
=======================================
  Files        1131     1131           
  Lines       35834    35839    +5     
=======================================
+ Hits        34354    34359    +5     
  Misses       1480     1480           

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