update docstring

Author: atravitz

src/openfe/storage/warehouse.py

@@ -29,10 +29,10 @@ class WarehouseStores(TypedDict):
         Storage location for setup-related objects and configurations.
     result : ExternalStorage
         Storage location for result-related object.
-
-    Notes
-    -----
-    Additional stores for results and tasks may be added in future versions.
+    shared : ExternalStorage
+        Storage location for non-permanent shared data.
+    tasks: External Storage
+        Storage location for execution tasks.
     """
 
     setup: ExternalStorage