cabal update

Author: ulysses4ever

.github/workflows/validate.yml

@@ -31,7 +31,7 @@ env:
 
 jobs:
   validate-prerelease:
-    name: Validate ${{ matrix.os }} ghc-${{ matrix.ghc }}
+    name: Validate ${{ matrix.os }} ghc-prerelease
     runs-on: ${{ matrix.os }}
     outputs:
       GHC_FOR_RELEASE: ${{ format('["{0}"]', env.GHC_FOR_RELEASE) }}
@@ -61,6 +61,8 @@ jobs:
           ghcup config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.7.yaml
           ghcup install ghc --set latest
           ghcup install cabal --set latest
+          ghc --version
+          cabal update
 
       #  See the following link for a breakdown of the following step
       #  https://github.com/haskell/actions/issues/7#issuecomment-745697160