draft: fix pypy windows pgo build

[davidhewitt]

Change Summary

WIP. Fixing the PyPy build-pgo issues on main.

Related issue number

N/A

Checklist

• Unit tests for the changes exist
• Documentation reflects the changes where applicable
• Pydantic tests pass with this pydantic-core (except for expected changes)
• My PR is ready to review, please add a comment including the phrase "please review" to assign reviewers

[codspeed-hq]

CodSpeed Performance Report

Merging #754 will not alter performances

_{Comparing dh/pypy-windows-pgo (5fa186a) with main (0b31711)}

Summary

✅ 126 untouched benchmarks

[codecov]

Codecov Report

Merging #754 (5fa186a) into main (964066b) will increase coverage by 0.00%.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #754   +/-   ##
=======================================
  Coverage   93.64%   93.65%           
=======================================
  Files          99       99           
  Lines       13929    13938    +9     
  Branches       25       25           
=======================================
+ Hits        13044    13053    +9     
  Misses        879      879           
  Partials        6        6           

see 1 file with indirect coverage changes

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[davidhewitt]

superseded by #757