bpo-41203: Replace Mac OS X and OS X with macOS (GH-28515)

Replace old names when they refer to actual versions of macOS.
Keep historical names in references to older versions.

Co-authored-by: Patrick Reader <_@pxeger.com>

Serhiy Storchaka committed 4y ago

36122e18148c5b6c78ebce1d36d514fd7cf250f5

Parent: ecb6922

Committed by GitHub <noreply@github.com> on 9/22/2021, 5:33:36 PM