[StepSecurity] ci: Harden GitHub Actions#20

step-security-bot wants to merge 1 commit intophpstan:mainphpstan/.github:mainfrom

step-security-bot:chore/GHA-241340-stepsecurity-remediationstep-security-bot/phpstan_.github:chore/GHA-241340-stepsecurity-remediationCopy head branch name to clipboard