Use `aarch64` suffix for ARM64 arch #107

Job	Run time
test-cache (macos-latest, 2.0.1)	11s
test-cache (macos-latest, 1.2.2)	10s
test-cache (macos-latest, nightly)	18s
test-cache (macos-latest, master)	38s
test-cache (ubuntu-latest, 2.0.1)	42s
test-cache (ubuntu-latest, 1.2.2)	53s
test-cache (ubuntu-latest, nightly)	41s
test-cache (ubuntu-latest, master)	3m 42s
test-cache (windows-latest, 2.0.1)	4m 14s
test-cache (windows-latest, 1.2.2)	5m 8s
test-cache (windows-latest, nightly)	5m 9s
test-cache (windows-latest, master)	8m 17s
	30m 3s

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