docs: Rename import to inventories in mkdocs.yml

Author: pawamoy

mkdocs.yml

@@ -153,7 +153,7 @@ plugins:
     handlers:
       python:
         paths: [src, docs/snippets]
-        import:
+        inventories:
         - https://docs.python.org/3/objects.inv
         - https://mkdocstrings.github.io/objects.inv
         - https://mkdocstrings.github.io/autorefs/objects.inv