Some changes to sphinx workflow

.github/workflows/sphinx-docs.yml

@@ -1,11 +1,11 @@
-name: Deploy static cntent to Pages
+name: Deploy static content to Pages
 on:
   push:
     branches: ["main"]
 
 jobs:
   build-docs:
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
@@ -14,7 +14,8 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -r requirements.txt
-          pip install setuptools sphinx sphinx_rtd_theme sphinx-tabs sphinx_toolbox
+          brew install python-setuptools
+          pip install sphinx sphinx_rtd_theme sphinx-tabs sphinx_toolbox
       - name: Sphinx build
         run: |
           sphinx-apidoc -o docs NiChart_DLMUSE/