Re-enable lmza conduit
Re-enable lmza conduit

Version 1.2.3 fixes the bounds issue (and the test failure)

See
https://github.com/alphaHeavy/lzma-conduit/pull/22
https://github.com/alphaHeavy/lzma-conduit/issues/19

simonmichael/stackage,jonschoning/stackage