update github workflow

.github/workflows/sphinx.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Install Theme
         run: |
-          pip install sphinx sphinx_rtd_theme autoapi
+          pip install sphinx sphinx_rtd_theme sphinx-autoapi
           pip install git+https://github.com/AllanSCosta/insegel-updated
           pip install -e .
       - name: Sphinx build