change documenatation action

.github/workflows/documentation.yml

@@ -19,15 +19,7 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v2
-
-      - name: Sphinx Build
-        # You may pin to the exact commit or the version.
-        # uses: ammaraskar/sphinx-action@8b4f60114d7fd1faeba1a712269168508d4750d2
-        uses: ammaraskar/sphinx-action@0.4
+      - uses: ammaraskar/sphinx-action@0.4
         with:
-          # The folder containing your sphinx docs.
-          docs-folder: doc/
-          # The command used to build your documentation.
-          build-command: make html
+          docs-folder: "doc/"