try to speed up

Author: MaximilianAlgehed

.github/workflows/haskell-ci.yml

@@ -35,7 +35,7 @@ jobs:
           key: ${{ matrix.ghc-version }}-${{ github.sha }}
           path: ~/.cabal/store
           restore-keys: ${{ matrix.ghc-version }}-
-      - run: cabal build all
+      - run: cabal build all --ghc-options=-fhpc
       - run: cabal test all --ghc-options=-fhpc
       - run: mv constrained.tix constrained-${{matrix.ghc-version}}.tix
       - run: cabal haddock all