Re-enable yesod-auth-hashdb in nightly
Re-enable yesod-auth-hashdb in nightly

It was blocked on `yesod-test`, which now appears to be resolved and is in nightly.
jonschoning/stackage,athanclark/stackage,massysett/stackage,spencerjanssen/stackage,soenkehahn/stackage,mrkkrp/stackage,michalkonecny/stackage,asr/stackage,Daniel-Diaz/stackage,fpco/stackage,iand675/stackage,fimad/stackage,simonmichael/stackage,stackbuilders/stackage,clinty/stackage