Update on-push.yml

Author: Porges

.github/workflows/on-push.yml

@@ -14,6 +14,7 @@ jobs:
         key: ${{ runner.os }}-cabal-${{ hashFiles('*.cabal') }}
         restore-keys: ${{ runner.os }}-cabal-
 
+    - run: cabal update 
     - run: cabal test
     - run: cabal repl --with-ghc=doctest --ghc-options="-XQuasiQuotes -XOverloadedStrings"