Update build-constraints.yaml
Update build-constraints.yaml

Add pcre-utils back.
michalkonecny/stackage,simonmichael/stackage,GregorySchwartz/stackage,creichert/stackage,lwm/stackage,soenkehahn/stackage,peti/stackage,k0ral/stackage,Shimuuar/stackage,massysett/stackage,clinty/stackage,mstksg/stackage,asr/stackage,garetxe/stackage,athanclark/stackage,wereHamster/stackage,jonschoning/stackage,mrkkrp/stackage,stackbuilders/stackage,mgajda/stackage,int-index/stackage,phaazon/stackage,ethercrow/stackage,iand675/stackage,fimad/stackage,fpco/stackage,Daniel-Diaz/stackage,ygale/stackage,spencerjanssen/stackage