ci/cd

migrate CI workflow to repo #2

Job	Run time
build linux/amd64	3m 45s
build linux/arm64	4m 59s
merge into multiarch manifest	19s
testing on linux/amd64	4s
testing on linux/arm64	5s
add tags	0s
build linux/amd64	3m 45s
merge into multiarch manifest	19s
testing on linux/arm64	1m 15s
testing on linux/amd64	1m 5s
build linux/arm64	4m 59s
add tags	0s
	20m 35s

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