This brings `trunk`’s version of Twenty Twenty in-sync with GitHub.
For a complete list of changes since [46271], see 932b16248...dd7032f
Props anlino, ianbelanger, nielslange, acosmin, netweb, williampatton, adhitya03, phpdocs, acalfieri, itowhid06, littlebigthing, aristath, karmatosed, poena.
See #48110.
Built from https://develop.svn.wordpress.org/trunk@46357
git-svn-id: http://core.svn.wordpress.org/trunk@46156 1a063a9b-81f0-0310-95a4-ce76da25c4cd
