Update dependency phpunit/phpunit to v10.3.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
phpunit/phpunit (source)	require-dev	patch	10.3.3 -> 10.3.4

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Release Notes

sebastianbergmann/phpunit (phpunit/phpunit)

### [`v10.3.4`](https://togithub.com/sebastianbergmann/phpunit/compare/10.3.3...10.3.4) [Compare Source](https://togithub.com/sebastianbergmann/phpunit/compare/10.3.3...10.3.4)

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