chore(deps) Update dependency phpunit/phpunit to v11.5.39

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
phpunit/phpunit (source)	11.5.38 -> 11.5.39

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Release Notes

sebastianbergmann/phpunit (phpunit/phpunit)

v11.5.39: PHPUnit 11.5.39

Compare Source

Changed

• #​6366: Exclude __sleep() and __wakeup() from test double code generation on PHP >= 8.5

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (f667752) to head (3057ae1).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##              master      #414   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        20        20           
===========================================
  Files              1         1           
  Lines             56        56           
===========================================
  Hits              56        56           

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