Fix casing of "macOS" (#17040)

This PR fixes a number of spots in English contexts (docs, comments,
etc.) where we were using "MacOS" instead of "macOS".

Release Notes:

- N/A

Marshall Bowers committed 2y ago

b374c7d9129a8d8031f44fee3e33358e41b561df

Parent: 505675c

Committed by GitHub <noreply@github.com> on 8/28/2024, 11:10:49 PM