Remove upper bounds for `irc-dcc` and `xdcc`
Remove upper bounds for `irc-dcc` and `xdcc`

`xdcc-1.1.2` fixes #1800.
stackbuilders/stackage,brendanhay/stackage,lwm/stackage,jaspervdj/stackage,michalkonecny/stackage,christiaanb/stackage,GregorySchwartz/stackage,spencerjanssen/stackage,ygale/stackage,phadej/stackage,fpco/stackage,iand675/stackage,Shimuuar/stackage,fimad/stackage,soenkehahn/stackage,judah/stackage,int-index/stackage,clinty/stackage,phaazon/stackage,DanielG/stackage,mrkkrp/stackage,k0ral/stackage,garetxe/stackage,Daniel-Diaz/stackage,wereHamster/stackage,alanz/stackage,jonschoning/stackage,l29ah/stackage,massysett/stackage,asr/stackage,athanclark/stackage,mstksg/stackage,mgajda/stackage,creichert/stackage,ethercrow/stackage,peti/stackage,simonmichael/stackage