Speed up inventory lint: opt-in fast frontend patches + parallel cached bin/lint.php (#16077) - #16394

Speed up inventory lint: opt-in fast frontend patches + parallel cached bin/lint.php (#16077)#16394

PurHur merged 4 commits into

masterPurHur/php-compiler:masterfrom

feat/16077-frontend-perfPurHur/php-compiler:feat/16077-frontend-perfCopy head branch name to clipboard