.github/workflows/haskell.yml Modified

@@ -7,17 +7,15 @@
     branches: [ master ]
 
 jobs:
-  build:
-
+  ci:
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v1
 
-      # See https://github.com/mstksg/setup-stack/issues/13
-    - name: 'GitHub actions env workaround'
-      run: 'echo "ACTIONS_ALLOW_UNSECURE_COMMANDS=true" >> $GITHUB_ENV'
-    - uses: mstksg/setup-stack@v2
+    - uses: haskell/actions/setup@v1
+      with:
+        enable-stack: true
 
     - uses: actions/cache@v1
       env: