Enable req packages
Enable req packages

‘req’ and ‘req-conduit’ now compile with GHC 8.8.1.

massysett/stackage,stackbuilders/stackage,mrkkrp/stackage,athanclark/stackage,Daniel-Diaz/stackage,jonschoning/stackage,spencerjanssen/stackage,asr/stackage,fpco/stackage,clinty/stackage,simonmichael/stackage,michalkonecny/stackage,soenkehahn/stackage,fimad/stackage,iand675/stackage