Add support for arm64 docker builds #55

Job	Run time
build_and_test (tls, linux, amd64)	42s
build_and_test (tls, linux, arm64)	47s
build_and_test (tls, darwin, amd64)	20s
build_and_test (tls, darwin, arm64)	44s
build_and_test (tls, windows, amd64)	3s
build_and_test (tls, windows, arm64)	4s
build_and_test (admin, linux, amd64)	49s
build_and_test (admin, linux, arm64)	42s
build_and_test (admin, darwin, amd64)	21s
build_and_test (admin, darwin, arm64)	44s
build_and_test (admin, windows, amd64)	5s
build_and_test (admin, windows, arm64)	3s
build_and_test (api, linux, amd64)	42s
build_and_test (api, linux, arm64)	46s
build_and_test (api, darwin, amd64)	17s
build_and_test (api, darwin, arm64)	45s
build_and_test (api, windows, amd64)	3s
build_and_test (api, windows, arm64)	8s
build_and_test (cli, linux, amd64)	53s
build_and_test (cli, linux, arm64)	44s
build_and_test (cli, darwin, amd64)	15s
build_and_test (cli, darwin, arm64)	45s
build_and_test (cli, windows, amd64)	46s
build_and_test (cli, windows, arm64)	37s
	12m 5s

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