Added fix for sphinx-autoapi not working with astroid >= 3.0.0

.github/workflows/documentation.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-python@v3
       - name: Install dependencies
         run: |
-          pip install sphinx sphinx-rtd-theme myst-nb sphinx-autoapi
+          pip install sphinx sphinx-rtd-theme myst-nb sphinx-autoapi astroid==2.15.8
       - name: Sphinx build
         run: |
           sphinx-build docs/source docs/_build