Use fix-whitespace-action

.github/workflows/whitespace.yml

@@ -9,35 +9,6 @@ jobs:
   whitespace:
     runs-on: ubuntu-latest
 
-    env:
-     fix-whitespace-ver: '0.1'
-
     steps:
     - uses: actions/checkout@v4
-
-    - name: Create directory for binary
-      run: |
-        mkdir -p $HOME/.local/bin
-
-    - uses: actions/cache@v3
-      name: Cache the binary
-      id: cache
-      with:
-        path: "~/.local/bin"
-        key: fix-whitespace-${{ env.fix-whitespace-ver }}
-
-    - uses: haskell-actions/setup@v2
-      if: ${{ !steps.cache.outputs.cache-hit }}
-      with:
-        ghc-version: '9.8'
-        cabal-version: latest
-
-    - name: Install fix-whitespace
-      if: ${{ !steps.cache.outputs.cache-hit }}
-      run: |
-        cabal install --ignore-project --install-method=copy --installdir=$HOME/.local/bin fix-whitespace-${{ env.fix-whitespace-ver }}
-        strip $HOME/.local/bin/fix-whitespace
-
-    - name: Check Whitespace Conformance
-      run: |
-        $HOME/.local/bin/fix-whitespace --check
+    - uses: andreasabel/fix-whitespace-action@v1