Change from ioutil #4

Job	Run time
Lint files	17s
Run tests	8s
Create Release (aix/ppc64)	26s
Create Release (android/amd64)	25s
Create Release (android/arm64)	26s
Create Release (darwin/amd64)	26s
Create Release (darwin/arm64)	26s
Create Release (dragonfly/amd64)	25s
Create Release (freebsd/386)	26s
Create Release (freebsd/amd64)	22s
Create Release (freebsd/arm)	22s
Create Release (freebsd/arm64)	14s
Create Release (illumos/amd64)	24s
Create Release (js/wasm)	24s
Create Release (linux/386)	22s
Create Release (linux/amd64)	9s
Create Release (linux/arm)	20s
Create Release (linux/arm64)	26s
Create Release (linux/mips)	9s
Create Release (linux/mips64)	8s
Create Release (linux/mips64le)	8s
Create Release (linux/mipsle)	21s
Create Release (linux/ppc64)	1s
Create Release (linux/ppc64le)	1s
Create Release (linux/riscv64)	1s
Create Release (linux/s390x)	1s
Create Release (netbsd/386)	1s
Create Release (netbsd/amd64)	1s
Create Release (netbsd/arm)	1s
Create Release (netbsd/arm64)	1s
Create Release (openbsd/386)	1s
Create Release (openbsd/amd64)	1s
Create Release (openbsd/arm)	1s
Create Release (openbsd/arm64)	1s
Create Release (openbsd/mips64)	1s
Create Release (plan9/386)	1s
Create Release (plan9/amd64)	1s
Create Release (plan9/arm)	1s
Create Release (solaris/amd64)	1s
Create Release (windows/386)	1s
Create Release (windows/amd64)	1s
Create Release (windows/arm)	1s
	7m 34s

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