Merge pull request #9 from deepflowinc/konn/update-cabal-and-ghc #84

# to view logs

Job	Run time
Cabal Check	22s
Fourmolu	7s
Build (macOS, 9.6.4)	22m 1s
Build (ubuntu, 9.6.4, fpco/alpine-haskell-stack:9.2.5)	17m 56s
Test (macOS, 9.6.4)	3m 26s
Release	0s
Test (ubuntu, 9.6.4, fpco/alpine-haskell-stack:9.2.5)	2m 53s
	46m 45s

Provide feedback