Add shake-0.15.6 to stack extra-deps
Add shake-0.15.6 to stack extra-deps

snowleopard/shaking-up-ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,bgamari/shaking-up-ghc,snowleopard/hadrian,sdiehl/ghc,izgzhen/hadrian,sdiehl/ghc