fix: correct default params for modify guild member

Author: LordOfPolls

interactions/api/http/http_requests/members.py

@@ -80,7 +80,7 @@ async def modify_guild_member(
         roles: list["Snowflake_Type"] | None = None,
         mute: bool | None = None,
         deaf: bool | None = None,
-        channel_id: "Snowflake_Type | None" = None,
+        channel_id: "Snowflake_Type | MISSING" = MISSING,
         communication_disabled_until: str | datetime | Timestamp | None | Missing = MISSING,
         reason: str | None = None,
     ) -> discord_typings.GuildMemberData: