Fix pre-commit spelling error in cell_space

Small clean-up after #2309.

mesa/experimental/cell_space/cell.py

@@ -134,7 +134,7 @@ def __repr__(self):  # noqa
 
     @cached_property
     def neighborhood(self) -> CellCollection:
-        """Returns the direct neigborhood of the cell.
+        """Returns the direct neighborhood of the cell.
 
         This is equivalent to cell.get_neighborhood(radius=1)