Fix dealing with ext-redis' multi/exec returning a bool#47979

nicolas-grekas merged 1 commit intosymfony:5.4symfony/symfony:5.4from

joaopbnogueira:fix/4.4-phpredis-cache-traitjoaopbnogueira/symfony-cache:fix/4.4-phpredis-cache-traitCopy head branch name to clipboard