Use ghcup action #271

Job	Run time
i386	37s
build (ubuntu-latest, 8.6, 3.8.1.0)	5m 55s
arm (arm32v7)	1s
darwin_arm (self-hosted, macOS, ARM64, 8.10.7)	1m 22s
build (ubuntu-latest, 8.8, 3.8.1.0)	5m 58s
darwin_arm (self-hosted, macOS, ARM64, 9.2.6)	1m 2s
arm (arm64v8)	1s
freebsd (self-hosted, FreeBSD, X64, 9.4.8)	25s
build (ubuntu-latest, 8.10, 3.8.1.0)	9m 3s
darwin_arm (self-hosted, macOS, ARM64, 9.4.4)	3m 3s
freebsd (self-hosted, FreeBSD, X64, 9.6.4)	25s
build (ubuntu-latest, 9.0, 3.8.1.0)	6m 2s
build (ubuntu-latest, 9.2, 3.8.1.0)	3m 54s
build (ubuntu-latest, 9.4, 3.8.1.0)	5m 1s
build (ubuntu-latest, 9.6, 3.8.1.0)	7m 59s
build (ubuntu-latest, 9.8, 3.8.1.0)	3m 42s
build (macos-13, 9.4, 3.8.1.0)	9m 3s
build (macos-13, 9.6, 3.8.1.0)	9m 8s
build (windows-latest, 9.4, 3.8.1.0)	8m 55s
build (windows-latest, 9.6, 3.8.1.0)	8m 57s
	1h 30m 33s

Provide feedback