Replace depreacted use of switch_to_window()

Author: akksi

components/dash-table/tests/selenium/test_markdown_link.py

@@ -50,11 +50,11 @@ def test_tmdl001_click_markdown_link(test, markdown_options, new_tab, cell_selec
         assert target.cell(0, "a").is_selected() == cell_selectable
 
         assert len(test.driver.window_handles) == 2
-        test.driver.switch_to_window(test.driver.window_handles[1])
+        test.driver.switch_to.window(test.driver.window_handles[1])
         assert test.driver.current_url.startswith("https://www.google.com")
 
         # Make sure the cell is still selected iff cell_selectable, after switching tabs
-        test.driver.switch_to_window(test.driver.window_handles[0])
+        test.driver.switch_to.window(test.driver.window_handles[0])
         assert target.cell(0, "a").is_selected() == cell_selectable
 
     else: