Promote arm64-osx to a non-community triplet in z-changelog. #1001

Job	Run time
format	3m 0s
builds / build (windows-2022, windows-ci)	16m 49s
builds / build (ubuntu-20.04, linux-ci)	7m 31s
builds / build (macos-12, macos-ci)	15m 40s
	43m 0s

Provide feedback