Use ghcup action #280

Job	Run time
darwin_arm (self-hosted, macOS, ARM64, 8.10.7)	1s
arm (arm32v7)	3m 13s
darwin_arm (self-hosted, macOS, ARM64, 9.2.6)	1s
freebsd (self-hosted, FreeBSD, X64, 9.4.8)	3m 22s
arm (arm64v8)	1m 16s
build (ubuntu-latest, 8.6, 3.8.1.0)	4m 43s
darwin_arm (self-hosted, macOS, ARM64, 9.4.4)	4m 34s
freebsd (self-hosted, FreeBSD, X64, 9.6.4)	2m 19s
build (ubuntu-latest, 8.8, 3.8.1.0)	4m 42s
i386	27s
build (ubuntu-latest, 8.10, 3.8.1.0)	4m 43s
build (ubuntu-latest, 9.0, 3.8.1.0)	4m 43s
build (ubuntu-latest, 9.2, 3.8.1.0)	3m 56s
build (ubuntu-latest, 9.4, 3.8.1.0)	4m 34s
build (ubuntu-latest, 9.6, 3.8.1.0)	4m 43s
build (ubuntu-latest, 9.8, 3.8.1.0)	3m 35s
build (macos-13, 9.4, 3.8.1.0)	4m 43s
build (macos-13, 9.6, 3.8.1.0)	4m 42s
build (windows-latest, 9.4, 3.8.1.0)	4m 35s
build (windows-latest, 9.6, 3.8.1.0)	4m 34s
	1h 9m 26s

Provide feedback