Install dependencies after checkout

Author: elinscott

.github/workflows/docs.yml

@@ -14,6 +14,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@v3
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
@@ -22,7 +23,6 @@ jobs:
       run: |
          python -m pip install --upgrade pip
          pip install -e .[docs]
-    - uses: actions/checkout@v3
     - uses: ammaraskar/sphinx-action@master
       with:
         docs-folder: "docs/"