Add librdkafka to the debian bootstrap
Add librdkafka to the debian bootstrap

Closes #4656.

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