Add constraint "blas-ffi < 0.1" per #4243
Add constraint "blas-ffi < 0.1" per #4243

Daniel-Diaz/stackage,jonschoning/stackage,asr/stackage,athanclark/stackage,spencerjanssen/stackage,simonmichael/stackage,mstksg/stackage,int-index/stackage,stackbuilders/stackage,fpco/stackage,clinty/stackage,wereHamster/stackage,peti/stackage,iand675/stackage,mrkkrp/stackage,massysett/stackage,soenkehahn/stackage,ethercrow/stackage,fimad/stackage,michalkonecny/stackage