[WIP] Change phpunit workflow to allow disabling specific test environments when incompatibilities are encountered.#1437

robfrawley wants to merge 2 commits intoliip:3.xliip/LiipImagineBundle:3.xfrom

robfrawley:bugfix-allow-symfony-and-php8-compatibility-with-php-coverallsrobfrawley/liip-imagine-bundle:bugfix-allow-symfony-and-php8-compatibility-with-php-coverallsCopy head branch name to clipboard