Upgrade to Python 3.13 (#11588)

graphs/dijkstra_binary_grid.py

@@ -69,7 +69,7 @@ def dijkstra(
                 x, y = predecessors[x, y]
             path.append(source)  # add the source manually
             path.reverse()
-            return matrix[destination], path
+            return float(matrix[destination]), path
 
         for i in range(len(dx)):
             nx, ny = x + dx[i], y + dy[i]