Update the method summary

Author: mdmintz

help_docs/method_summary.md

@@ -280,6 +280,7 @@ self.get_new_driver(
     headless2=None,
     incognito=None,
     guest_mode=None,
+    dark_mode=None,
     devtools=None,
     remote_debug=None,
     enable_3d_apis=None,
@@ -294,6 +295,7 @@ self.get_new_driver(
     extension_zip=None,
     extension_dir=None,
     binary_location=None,
+    driver_version=None,
     page_load_strategy=None,
     use_wire=None,
     external_pdf=None,