chore(deps): update dependency phpunit/phpunit to v9.6.29

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This PR contains the following updates:

Package	Change	Age	Confidence
phpunit/phpunit (source)	9.6.28 -> 9.6.29

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Release Notes

sebastianbergmann/phpunit (phpunit/phpunit)

v9.6.29: PHPUnit 9.6.29

Compare Source

• No changes; phpunit.phar rebuilt with updated dependencies

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Learn how to install or update PHPUnit 9.6 in the documentation.

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[renovate]

Branch automerge failure

This PR was configured for branch automerge. However, this is not possible, so it has been raised as a PR instead.

[coveralls]

coverage: 100.0%. remained the same
when pulling 4970393 on renovate/phpunit-phpunit-9.x
into a2d329b on master.