Build flat package for macOS #158

Job	Run time
Build wheel and source distribution	20s
aarch64-unknown-linux-gnu (ubuntu-22.04)	5m 40s
x86_64-unknown-linux-gnu (ubuntu-22.04)	5m 39s
x86_64-unknown-linux-musl (ubuntu-22.04)	5m 47s
i686-unknown-linux-gnu (ubuntu-22.04)	5m 42s
powerpc64le-unknown-linux-gnu (ubuntu-22.04)	7m 16s
x86_64-pc-windows-msvc (windows-2022)	7m 57s
i686-pc-windows-msvc (windows-2022)	11m 30s
aarch64-apple-darwin (macos-12)	8m 4s
x86_64-apple-darwin (macos-12)	7m 56s
Build Windows installers	1m 26s
Build macOS installer and sign/notarize artifacts	1m 27s
Publish release	0s
	1h 8m 44s

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