Update Cabal to current upstream `1.18` branch tip
Update Cabal to current upstream `1.18` branch tip

This is mainly to relax the `array` build-dep to
allow the upcoming `array-0.5.0.0` package.

Signed-off-by: Herbert Valerio Riedel <202fbcf3c00694524024feb79f3bb8fc1c4e4f9c@gnu.org>

acowley/ghc,ghc-android/ghc,mettekou/ghc,fmthoma/ghc,christiaanb/ghc,fmthoma/ghc,snoyberg/ghc,lukexi/ghc,wxwxwwxxx/ghc,acowley/ghc,tjakway/ghcjvm,siddhanathan/ghc,frantisekfarka/ghc-dsi,bitemyapp/ghc,lukexi/ghc-7.8-arm64,olsner/ghc,snoyberg/ghc,green-haskell/ghc,mfine/ghc,sdiehl/ghc,spacekitteh/smcghc,TomMD/ghc,mcschroeder/ghc,ghc-android/ghc,shlevy/ghc,wxwxwwxxx/ghc,tibbe/ghc,frantisekfarka/ghc-dsi,acowley/ghc,frantisekfarka/ghc-dsi,shlevy/ghc,wxwxwwxxx/ghc,urbanslug/ghc,urbanslug/ghc,gridaphobe/ghc,tibbe/ghc,oldmanmike/ghc,vTurbine/ghc,mfine/ghc,holzensp/ghc,sgillespie/ghc,da-x/ghc,ezyang/ghc,gridaphobe/ghc,elieux/ghc,lukexi/ghc-7.8-arm64,acowley/ghc,shlevy/ghc,fmthoma/ghc,mettekou/ghc,vTurbine/ghc,vikraman/ghc,sdiehl/ghc,hferreiro/replay,lukexi/ghc,da-x/ghc,da-x/ghc,nathyong/microghc-ghc,gcampax/ghc,mettekou/ghc,sgillespie/ghc,da-x/ghc,jstolarek/ghc,nathyong/microghc-ghc,oldmanmike/ghc,green-haskell/ghc,vTurbine/ghc,gridaphobe/ghc,christiaanb/ghc,nathyong/microghc-ghc,TomMD/ghc,tjakway/ghcjvm,ryantm/ghc,olsner/ghc,da-x/ghc,wxwxwwxxx/ghc,holzensp/ghc,gridaphobe/ghc,tjakway/ghcjvm,urbanslug/ghc,da-x/ghc,mettekou/ghc,siddhanathan/ghc,vikraman/ghc,sdiehl/ghc,lukexi/ghc,nushio3/ghc,ghc-android/ghc,green-haskell/ghc,snoyberg/ghc,gcampax/ghc,frantisekfarka/ghc-dsi,lukexi/ghc-7.8-arm64,gridaphobe/ghc,vTurbine/ghc,mfine/ghc,tibbe/ghc,holzensp/ghc,TomMD/ghc,anton-dessiatov/ghc,mfine/ghc,nkaretnikov/ghc,hferreiro/replay,snoyberg/ghc,acowley/ghc,nkaretnikov/ghc,GaloisInc/halvm-ghc,christiaanb/ghc,vikraman/ghc,ryantm/ghc,nkaretnikov/ghc,forked-upstream-packages-for-ghcjs/ghc,ghc-android/ghc,spacekitteh/smcghc,sdiehl/ghc,mfine/ghc,mcschroeder/ghc,bitemyapp/ghc,TomMD/ghc,ryantm/ghc,fmthoma/ghc,gcampax/ghc,vTurbine/ghc,ml9951/ghc,urbanslug/ghc,siddhanathan/ghc,ml9951/ghc,AlexanderPankiv/ghc,elieux/ghc,urbanslug/ghc,fmthoma/ghc,tjakway/ghcjvm,snoyberg/ghc,GaloisInc/halvm-ghc,ml9951/ghc,nathyong/microghc-ghc,sgillespie/ghc,sgillespie/ghc,vikraman/ghc,hferreiro/replay,hferreiro/replay,GaloisInc/halvm-ghc,forked-upstream-packages-for-ghcjs/ghc,anton-dessiatov/ghc,hferreiro/replay,oldmanmike/ghc,tjakway/ghcjvm,anton-dessiatov/ghc,gridaphobe/ghc,nushio3/ghc,olsner/ghc,oldmanmike/ghc,oldmanmike/ghc,ezyang/ghc,lukexi/ghc,holzensp/ghc,olsner/ghc,urbanslug/ghc,bitemyapp/ghc,gcampax/ghc,nathyong/microghc-ghc,ezyang/ghc,snoyberg/ghc,anton-dessiatov/ghc,green-haskell/ghc,urbanslug/ghc,mcschroeder/ghc,sdiehl/ghc,ml9951/ghc,ml9951/ghc,mcschroeder/ghc,mcschroeder/ghc,jstolarek/ghc,gcampax/ghc,fmthoma/ghc,sgillespie/ghc,sgillespie/ghc,tjakway/ghcjvm,da-x/ghc,wxwxwwxxx/ghc,forked-upstream-packages-for-ghcjs/ghc,wxwxwwxxx/ghc,anton-dessiatov/ghc,christiaanb/ghc,mfine/ghc,sdiehl/ghc,ryantm/ghc,bitemyapp/ghc,forked-upstream-packages-for-ghcjs/ghc,TomMD/ghc,siddhanathan/ghc,bitemyapp/ghc,ghc-android/ghc,holzensp/ghc,nathyong/microghc-ghc,anton-dessiatov/ghc,gcampax/ghc,lukexi/ghc-7.8-arm64,oldmanmike/ghc,nushio3/ghc,forked-upstream-packages-for-ghcjs/ghc,vikraman/ghc,nkaretnikov/ghc,AlexanderPankiv/ghc,elieux/ghc,ezyang/ghc,elieux/ghc,nushio3/ghc,shlevy/ghc,forked-upstream-packages-for-ghcjs/ghc,forked-upstream-packages-for-ghcjs/ghc,ghc-android/ghc,mfine/ghc,spacekitteh/smcghc,AlexanderPankiv/ghc,vTurbine/ghc,frantisekfarka/ghc-dsi,GaloisInc/halvm-ghc,sdiehl/ghc,lukexi/ghc,GaloisInc/halvm-ghc,elieux/ghc,green-haskell/ghc,mettekou/ghc,acowley/ghc,GaloisInc/halvm-ghc,christiaanb/ghc,olsner/ghc,AlexanderPankiv/ghc,tibbe/ghc,jstolarek/ghc,TomMD/ghc,mcschroeder/ghc,vTurbine/ghc,christiaanb/ghc,sgillespie/ghc,mettekou/ghc,mcschroeder/ghc,ml9951/ghc,nkaretnikov/ghc,olsner/ghc,ml9951/ghc,ezyang/ghc,nathyong/microghc-ghc,olsner/ghc,jstolarek/ghc,jstolarek/ghc,AlexanderPankiv/ghc,spacekitteh/smcghc,fmthoma/ghc,vikraman/ghc,ghc-android/ghc,nushio3/ghc,elieux/ghc,anton-dessiatov/ghc,tibbe/ghc,nkaretnikov/ghc,christiaanb/ghc,ezyang/ghc,TomMD/ghc,tjakway/ghcjvm,AlexanderPankiv/ghc,gcampax/ghc,ryantm/ghc,hferreiro/replay,gridaphobe/ghc,mettekou/ghc,spacekitteh/smcghc,ezyang/ghc,AlexanderPankiv/ghc,siddhanathan/ghc,nkaretnikov/ghc,lukexi/ghc-7.8-arm64,nushio3/ghc,acowley/ghc,shlevy/ghc,shlevy/ghc,oldmanmike/ghc,vikraman/ghc,nushio3/ghc,siddhanathan/ghc,snoyberg/ghc,GaloisInc/halvm-ghc,shlevy/ghc,ml9951/ghc,wxwxwwxxx/ghc,elieux/ghc,hferreiro/replay,siddhanathan/ghc