Getting the last symfony security checker. You may add this script to the composer.json. Full details in the article https://egor.work/blog/all/automate-security-check-in-your-symfony-project/

get_last_symfony_security_checker.sh

rm -f local-php-security-checker && curl -s https://api.github.com/repos/fabpot/local-php-security-checker/releases/latest | grep -E \"browser_download_url(.+)linux_amd64\" | cut -d : -f 2,3 | tr -d \\\" | xargs -I % curl % -L -o local-php-security-checker && chmod +x local-php-security-checker