fix requirements

.github/workflows/deploy-docs.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install mkdocs mkdocs-material
+          pip install mkdocs mkdocs-material mkdocstrings[python] mkdocs-autorefs
 
       - name: Build documentation
         run: mkdocs build