Validate 'setup-go' #711

Job	Run time
Setup 1.7 macos-latest	23s
Setup 1.8.6 macos-latest	28s
Setup 1.7 windows-latest	1m 11s
Setup 1.8.6 windows-latest	36s
Setup 1.7 ubuntu-latest	13s
Setup 1.8.6 ubuntu-latest	11s
Setup 1.12.16 macos-latest	34s
Setup 1.13.11 macos-latest	36s
Setup 1.14.3 macos-latest	33s
Setup 1.12.16 windows-latest	1m 4s
Setup 1.13.11 windows-latest	52s
Setup 1.14.3 windows-latest	54s
Setup 1.12.16 ubuntu-latest	12s
Setup 1.13.11 ubuntu-latest	9s
Setup 1.14.3 ubuntu-latest	14s
Setup local-cache version (macos-latest, 1.12)	27s
Setup local-cache version (macos-latest, 1.13)	28s
Setup local-cache version (macos-latest, 1.14)	38s
Setup local-cache version (windows-latest, 1.12)	1m 11s
Setup local-cache version (windows-latest, 1.13)	36s
Setup local-cache version (windows-latest, 1.14)	1m 1s
Setup local-cache version (ubuntu-latest, 1.12)	15s
Setup local-cache version (ubuntu-latest, 1.13)	13s
Setup local-cache version (ubuntu-latest, 1.14)	10s
	13m 9s

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