send_video thumbnail hint

Co-authored-by: _run <khumogo1@gmail.com>

telebot/async_telebot.py

@@ -2766,7 +2766,7 @@ class AsyncTeleBot:
         :type message_thread_id: :obj:`int`
 
         :param thumb: Deprecated. Use thumbnail instead
-
+:type thumbnail: :obj:`str` or :class:`telebot.types.InputFile`
         :return: On success, the sent Message is returned.
         :rtype: :class:`telebot.types.Message`
         """