#24: add poll field to MessageType

Author: greenplugin

src/Type/MessageType.php

@@ -229,6 +229,13 @@ class MessageType implements HasParseModeVariableInterface
      */
     public $venue;
 
+    /**
+     * Optional. Message is a native poll, information about the poll.
+     *
+     * @var PollType|null
+     */
+    public $poll;
+
     /**
      * Optional. New members that were added to the group or supergroup and information about them
      * (the bot itself may be one of these members).