Add GHC 9.6 to CI #96

Job	Run time
ormolu	12s
hlint	8s
stack / ghc 8.10.7	13m 22s
stack / ghc 9.0.2	13m 23s
stack / ghc 9.2.8	13m 13s
stack / ghc 9.4.8	13m 32s
stack / ghc 9.6.5	13m 21s
ubuntu-latest / ghc-9.6 / cabal-3.8	11m 11s
ubuntu-latest / ghc-9.4 / cabal-3.8	9m 56s
ubuntu-latest / ghc-9.2 / cabal-3.8	10m 29s
ubuntu-latest / ghc-9.0 / cabal-3.8	10m 32s
ubuntu-latest / ghc-8.10 / cabal-3.8	10m 8s
ubuntu-latest / ghc-9.6 / cabal-latest	10m 7s
ubuntu-latest / ghc-9.4 / cabal-latest	9m 53s
ubuntu-latest / ghc-9.2 / cabal-latest	10m 2s
ubuntu-latest / ghc-9.0 / cabal-latest	10m 31s
ubuntu-latest / ghc-8.10 / cabal-latest	10m 16s
windows-latest / ghc-9.6 / cabal-3.8	13m 44s
windows-latest / ghc-9.4 / cabal-3.8	12m 53s
windows-latest / ghc-9.2 / cabal-3.8	15m 23s
windows-latest / ghc-9.0 / cabal-3.8	15m 25s
windows-latest / ghc-8.10 / cabal-3.8	17m 5s
windows-latest / ghc-9.6 / cabal-latest	12m 23s
windows-latest / ghc-9.4 / cabal-latest	11m 50s
windows-latest / ghc-9.2 / cabal-latest	15m 5s
windows-latest / ghc-9.0 / cabal-latest	15m 11s
windows-latest / ghc-8.10 / cabal-latest	16m 32s
	5h 15m 47s

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