Correct bug in github CI file

.github/workflows/deploy-docs.yml

@@ -25,13 +25,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-      - uses: actions/checkout@v3
+        uses: actions/checkout@v3
 
       # Install dependencies
       - name: Set up Python 3.7
         uses: actions/setup-python@v1
         with:
-           python-version: 3.7
+          python-version: 3.7
 
       - name: Install dependencies
         run: |