fix CI

Author: kmuehlbauer

.github/workflows/ci-docs.yml

@@ -31,18 +31,18 @@ jobs:
           create-args: >-
             python=${{matrix.python-version}}
 
-      - name: Render with pytest
-        run: |
-          pytest -v sphinx-build -b html -W . _build/html
-
       - name: Build Sphinx documentation
         working-directory: notebooks
         run: |
           pytest -v -n auto
 
+      - name: Build documentation with Sphinx
+        run: |
+          python -m sphinx -j 14 -b html -W . _build/html -v
+
       - name: Upload HTML build (for PR inspection)
         if: ${{ success() }}
         uses: actions/upload-artifact@v4
         with:
           name: docs-html
-          path: docs/_build/html
+          path: _build/html