[build] Add missing depencencies for docs builder

.github/workflows/generate-docs.yml

@@ -47,6 +47,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip build wheel virtualenv
           pip install -r docs/requirements.txt
+          pip install -r dist/requirements_windows.txt
           git config --global user.name github-actions
           git config --global user.email [email protected]