don't build aarch64 #9

Job	Run time
musllinux (ubuntu-latest, x86_64)	6m 44s
linux (ubuntu-latest, x86_64)	7m 28s
macos (macos-12, x86_64)	3m 35s
musllinux (ubuntu-latest, x86)	7m 12s
linux (ubuntu-latest, x86)	11m 19s
musllinux (ubuntu-latest, aarch64)	6m 39s
linux (ubuntu-latest, armv7)	8m 30s
windows (windows-latest, x64)	9m 36s
musllinux (ubuntu-latest, armv7)	6m 48s
linux (ubuntu-latest, s390x)	10m 15s
linux (ubuntu-latest, ppc64le)	8m 17s
macos (macos-14, aarch64)	3m 39s
	1h 30m 2s

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