This changeset adds a flexible CSS columns layout to plugin cards in the Plugin Install screen, to ensure plugin cards all have the same height.
Props jamesckemp, audrasjb, joyously, sabernhardt, sharjeelkhanvmi, joyously.
Fixes#55721.
See #55272.
Built from https://develop.svn.wordpress.org/trunk@54149
git-svn-id: http://core.svn.wordpress.org/trunk@53708 1a063a9b-81f0-0310-95a4-ce76da25c4cd