chore(deps): update dependency phpunit/phpunit to v12

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
phpunit/phpunit (source)	^11 -> ^12

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Release Notes

sebastianbergmann/phpunit (phpunit/phpunit)

v12.0.1

Compare Source

v12.0.0

Compare Source

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[what-the-diff]

PR Summary

• Update of phpunit/phpunit testing library version
  The version of the phpunit/phpunit testing library that we use in our project has been upgraded from version 11 to 12. This upgrade will help us leverage newer and more efficient testing features added in the new version that could help improve the efficiency and reliability of our tests.