Update to newest haskell github action

Also fix so the stack builds use the correct ghc versions

.github/workflows/build-all-versions.yml

@@ -33,7 +33,7 @@ jobs:
     - uses: actions/checkout@v2
       if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'
 
-    - uses: actions/setup-haskell@v1.1.4
+    - uses: haskell/actions/setup@v1
       id: setup-haskell-cabal
       name: Setup Haskell
       with:
@@ -73,11 +73,12 @@ jobs:
     - uses: actions/checkout@v2
       if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'
 
-    - uses: actions/setup-haskell@v1.1.4
+    - uses: haskell/actions/setup@v1
       name: Setup Haskell Stack
       with:
-        # ghc-version: ${{ matrix.ghc }}
-        stack-version: ${{ matrix.stack }}
+        ghc-version: ${{ matrix.ghc }}
+        stack-version: 'latest'
+        enable-stack: true
 
     - uses: actions/cache@v1
       name: Cache ~/.stack