sphinx now in deps

Author: tschaume

.github/workflows/release.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip sphinx
+          python -m pip install --upgrade pip
           pip install -r requirements/requirements-ubuntu-latest_py3.11_extras.txt
           pip install -e .