Add missing versionadded strings

discord/guild.py

@@ -4418,15 +4418,21 @@ def dms_paused_until(self) -> Optional[datetime.datetime]:
 
     @property
     def dm_spam_detected_at(self) -> Optional[datetime.datetime]:
-        """:class:`datetime.datetime`: Returns the time when DM spam was detected in the guild."""
+        """:class:`datetime.datetime`: Returns the time when DM spam was detected in the guild.
+
+        .. versionadded:: 2.4
+        """
         if not self._incidents_data:
             return None
 
         return self._incidents_data.get('dm_spam_detected_at', None)
 
     @property
     def raid_detected_at(self) -> Optional[datetime.datetime]:
-        """Optional[:class:`datetime.datetime`]: Returns the time when a raid was detected in the guild"""
+        """Optional[:class:`datetime.datetime`]: Returns the time when a raid was detected in the guild.
+
+        .. versionadded:: 2.4
+        """
         if not self._incidents_data:
             return None
 
@@ -4453,14 +4459,20 @@ def dms_paused(self) -> bool:
         return self.dms_paused_until > utils.utcnow()
 
     def dm_spam_detected(self) -> bool:
-        """:class:`bool`: Whether DM spam was detected in the guild."""
+        """:class:`bool`: Whether DM spam was detected in the guild.
+
+        .. versionadded:: 2.4
+        """
         if not self.dm_spam_detected_at:
             return False
 
         return self.dm_spam_detected_at > utils.utcnow()
 
     def raid_detected(self) -> bool:
-        """:class:`bool`: Whether a raid was detected in the guild."""
+        """:class:`bool`: Whether a raid was detected in the guild.
+
+        .. versionadded:: 2.4
+        """
         if not self.raid_detected_at:
             return False