primer/css v17.4.0 on GitHub

#1497 84bbd501 Thanks @tobiasahlin! - Add font-weight-medium to marketing styles, and use it in the type scale.
#1487 0298b69b Thanks @arzg! - Move Menlo before Consolas in monospace font stack

#1483 84488397 Thanks @jonrohan! - Make sure truncate is a direct child
#1486 f52d40cc Thanks @manuelpuyol! - Prevents main content to blowout and cause an horizontal scroll
#1488 c345bd38 Thanks @cheshire137! - Fix unreadable text when utility is used in dropdown item.
#1501 e072734a Thanks @tobiasahlin! - Documentation: Remove deprecated faded borders documentation
#1472 8541ed1d Thanks @simurai! - Use variable for the active border of the UnderlineNav
#1475 105296c6 Thanks @simurai! - Make TimelineItem-badge--success ready for Color Modes V2
#1452 8838a3ac Thanks @mktcode! - Division using / is deprecated. Replaced it with multiplications.
#1499 2e580a7e Thanks @mjacobus! - Fix label contrast when inside a dropdown