build(deps-dev): bump phpunit/phpunit from 11.5.50 to 12.5.9 in /tools/phpunit#2201

dependabot[bot] wants to merge 1 commit into1.xflow-php/flow:1.xfrom

dependabot/composer/tools/phpunit/phpunit/phpunit-12.5.9flow-php/flow:dependabot/composer/tools/phpunit/phpunit/phpunit-12.5.9Copy head branch name to clipboard