* Update all test dependencies * Remove old false-positive * Minor update lock files * Increase PHPStan memory for Fedora https://github.com/FreshRSS/FreshRSS/pull/4400#issuecomment-1159514197 * Require PHP8+ for tests Due to small changes of signature in `ob_implicit_flush` and `simplexml_load_string`, cf. https://github.com/FreshRSS/FreshRSS/pull/4123 * Missing lint in CSS files