Use `aarch64` suffix for ARM64 arch #108

Job	Run time
test-cache (macos-latest, 2.0.1)	12s
test-cache (macos-latest, 1.2.2)	10s
test-cache (macos-latest, nightly)	17s
test-cache (macos-latest, master)	39s
test-cache (ubuntu-latest, 2.0.1)	19s
test-cache (ubuntu-latest, 1.2.2)	26s
test-cache (ubuntu-latest, nightly)	25s
test-cache (ubuntu-latest, master)	15s
test-cache (windows-latest, 2.0.1)	1m 31s
test-cache (windows-latest, 1.2.2)	2m 27s
test-cache (windows-latest, nightly)	3m 5s
test-cache (windows-latest, master)	2m 30s
	12m 16s

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