add more target architectures #543

Job	Run time
ubuntu-build (ubuntu-20.04, 11)	7m 21s
ubuntu-build (ubuntu-20.04, 12)	7m 26s
ubuntu-build (ubuntu-20.04, 13)	7m 16s
ubuntu-build (ubuntu-20.04, 14)	7m 8s
ubuntu-build (ubuntu-20.04, 15)	12m 27s
ubuntu-build (ubuntu-20.04, 16)	7m 17s
ubuntu-build (ubicloud-standard-4-arm, 11)	10m 16s
ubuntu-build (ubicloud-standard-4-arm, 12)	10m 22s
ubuntu-build (ubicloud-standard-4-arm, 13)	10m 32s
ubuntu-build (ubicloud-standard-4-arm, 14)	11m 2s
ubuntu-build (ubicloud-standard-4-arm, 15)	18m 33s
ubuntu-build (ubicloud-standard-4-arm, 16)	11m 2s
ubuntu-package	13s
	2h 0m 55s

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