build(deps-dev): bump phpunit/phpunit from 9.5.24 to 9.6.5#43

dependabot[bot] wants to merge 1 commit intomasterphpgt/GtCommand:masterfrom

dependabot/composer/phpunit/phpunit-9.6.5phpgt/GtCommand:dependabot/composer/phpunit/phpunit-9.6.5Copy head branch name to clipboard