Update docs with references to text in stage

discord/abc.py

@@ -1292,6 +1292,7 @@ class Messageable:
 
     - :class:`~discord.TextChannel`
     - :class:`~discord.VoiceChannel`
+    - :class:`~discord.StageChannel`
     - :class:`~discord.DMChannel`
     - :class:`~discord.GroupChannel`
     - :class:`~discord.PartialMessageable`

discord/message.py

@@ -700,6 +700,7 @@ class PartialMessage(Hashable):
 
     - :meth:`TextChannel.get_partial_message`
     - :meth:`VoiceChannel.get_partial_message`
+    - :meth:`StageChannel.get_partial_message`
     - :meth:`Thread.get_partial_message`
     - :meth:`DMChannel.get_partial_message`
 
@@ -723,7 +724,7 @@ class PartialMessage(Hashable):
 
     Attributes
     -----------
-    channel: Union[:class:`PartialMessageable`, :class:`TextChannel`, :class:`VoiceChannel`, :class:`Thread`, :class:`DMChannel`]
+    channel: Union[:class:`PartialMessageable`, :class:`TextChannel`, :class:`StageChannel`, :class:`VoiceChannel`, :class:`Thread`, :class:`DMChannel`]
         The channel associated with this partial message.
     id: :class:`int`
         The message ID.
@@ -1358,7 +1359,7 @@ class Message(PartialMessage, Hashable):
         A list of embeds the message has.
         If :attr:`Intents.message_content` is not enabled this will always be an empty list
         unless the bot is mentioned or the message is a direct message.
-    channel: Union[:class:`TextChannel`, :class:`VoiceChannel`, :class:`Thread`, :class:`DMChannel`, :class:`GroupChannel`, :class:`PartialMessageable`]
+    channel: Union[:class:`TextChannel`, :class:`StageChannel`, :class:`VoiceChannel`, :class:`Thread`, :class:`DMChannel`, :class:`GroupChannel`, :class:`PartialMessageable`]
         The :class:`TextChannel` or :class:`Thread` that the message was sent from.
         Could be a :class:`DMChannel` or :class:`GroupChannel` if it's a private message.
     reference: Optional[:class:`~discord.MessageReference`]