Fix iter_change_type diff renamed property to prevent warning

Author: kamilkrzyskow

git/diff.py

@@ -325,7 +325,7 @@ def iter_change_type(self, change_type: Lit_change_type) -> Iterator[T_Diff]:
                 yield diffidx
             elif change_type == "C" and diffidx.copied_file:
                 yield diffidx
-            elif change_type == "R" and diffidx.renamed:
+            elif change_type == "R" and diffidx.renamed_file:
                 yield diffidx
             elif change_type == "M" and diffidx.a_blob and diffidx.b_blob and diffidx.a_blob != diffidx.b_blob:
                 yield diffidx