CI: use haskell/actions/setup
Previous action seems defunct.
@@ -67,7 +67,7 @@ jobs:
uses: actions/checkout@v2
- name: Setup Haskell
- uses: actions/setup-haskell@v1
+ uses: haskell/actions/setup@v1
with:
ghc-version: ${{ matrix.versions.ghc }}
cabal-version: ${{ matrix.versions.cabal }}
