style(pre-commit): auto fixes from pre-commit.com hooks

Author: pre-commit-ci[bot]

discord/channel.py

@@ -1665,7 +1665,8 @@ def _update_status(
     def voice_start_time(self) -> datetime.datetime | None:
         """:class:`datetime.datetime` | :class:`None`: The time that the voice session started.
 
-        .. versionadded:: 2.9"""
+        .. versionadded:: 2.9
+        """
         if self._voice_start_time is None:
             return None
         return datetime.datetime.fromtimestamp(self._voice_start_time, tz=datetime.UTC)