Update deploy-mkdocs.yml

Author: aleximmer

.github/workflows/deploy-mkdocs.yml

@@ -1,4 +1,4 @@
-name: ci
+name: deploy-docs
 on:
   push:
     branches:
@@ -25,5 +25,5 @@ jobs:
           path: .cache
           restore-keys: |
             mkdocs-material-
-      - run: pip install mkdocs-material
+      - run: pip install mkdocs-material mkdocstrings-python
       - run: mkdocs gh-deploy --force