Removed duplicate dependency in docs.yml

Author: alex-solcast

.github/workflows/docs.yml

@@ -21,5 +21,5 @@ jobs:
           path: .cache
           restore-keys: |
             mkdocs-material-
-      - run: pip install mkdocstrings[python] .[docs]
+      - run: pip install .[docs]
       - run: mkdocs gh-deploy --force