Make compatible with pydantic-settings 2.6.0

[adamtheturtle]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

Project coverage is 33.24%. Comparing base (d773042) to head (9a35340).
Report is 228 commits behind head on main.

Files with missing lines	Patch %	Lines
tests/mock_vws/fixtures/credentials.py	71.42%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2406   +/-   ##
=======================================
  Coverage   33.24%   33.24%           
=======================================
  Files          73       73           
  Lines        5243     5243           
  Branches      190      190           
=======================================
  Hits         1743     1743           
  Misses       3450     3450           
  Partials       50       50           

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