restrict bounds for dhall{,-bash,-json} and doctemplates
restrict bounds for dhall{,-bash,-json} and doctemplates

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