Use newer haskell setup action.

Author: alaendle

.github/workflows/ci.yml

@@ -77,7 +77,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: haskell/actions/setup@v2
+      - uses: haskell-actions/setup@v2
         id: setup-haskell-cabal
         name: Setup Haskell
         with: