Breaking change: use the new format of graph diff from pyzx, a breaki…

…ng change introduced by the multigraph pr

zxlive/graphscene.py

@@ -136,7 +136,7 @@ def update_graph(self, new: GraphT, select_new: bool = False) -> None:
             if select_new:
                 selected_vertices.add(v)
 
-        for e in diff.new_edges:
+        for e, e_type in diff.new_edges:
             s, t = self.g.edge_st(e)
             e_item = EItem(self, e, self.vertex_map[s], self.vertex_map[t])
             self.edge_map[e] = e_item