chore(deps-dev): update phpstan/phpstan requirement from ^0.12.0@dev to ^1.8.9@dev#53

dependabot[bot] wants to merge 1 commit intomastersidux/php-generator:masterfrom

dependabot/composer/phpstan/phpstan-tw-1.8.9devsidux/php-generator:dependabot/composer/phpstan/phpstan-tw-1.8.9devCopy head branch name to clipboard