Use ghcup action #279

Job	Run time
i386	1s
arm (arm32v7)	3m 11s
darwin_arm (self-hosted, macOS, ARM64, 8.10.7)	1s
arm (arm64v8)	2m 5s
build (ubuntu-latest, 8.6, 3.8.1.0)	5m 23s
darwin_arm (self-hosted, macOS, ARM64, 9.2.6)	1s
build (ubuntu-latest, 8.8, 3.8.1.0)	5m 22s
darwin_arm (self-hosted, macOS, ARM64, 9.4.4)	5m 27s
build (ubuntu-latest, 8.10, 3.8.1.0)	5m 23s
build (ubuntu-latest, 9.0, 3.8.1.0)	5m 23s
freebsd (self-hosted, FreeBSD, X64, 9.4.8)	2m 28s
build (ubuntu-latest, 9.2, 3.8.1.0)	3m 42s
freebsd (self-hosted, FreeBSD, X64, 9.6.4)	2m 21s
build (ubuntu-latest, 9.4, 3.8.1.0)	5m 3s
build (ubuntu-latest, 9.6, 3.8.1.0)	5m 22s
build (ubuntu-latest, 9.8, 3.8.1.0)	3m 41s
build (macos-13, 9.4, 3.8.1.0)	5m 22s
build (macos-13, 9.6, 3.8.1.0)	5m 22s
build (windows-latest, 9.4, 3.8.1.0)	5m 12s
build (windows-latest, 9.6, 3.8.1.0)	5m 17s
	1h 16m 7s

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