Fix edge case where readability being 0 breaks the task list#23023

thijsoo merged 4 commits intofeature/task-list-phase-2Yoast/wordpress-seo:feature/task-list-phase-2from

1081-task-list-unreleased-bug-edge-case-when-readability-score-is-0-the-task-list-breaksYoast/wordpress-seo:1081-task-list-unreleased-bug-edge-case-when-readability-score-is-0-the-task-list-breaksCopy head branch name to clipboard