fix: Update docstring of sliding window conversation manager

Author: Murat Kaan Meral

src/strands/agent/conversation_manager/sliding_window_conversation_manager.py

@@ -68,8 +68,8 @@ def apply_management(self, agent: "Agent", **kwargs: Any) -> None:
 
         Args:
             agent: The agent whose messages will be managed.
-            **kwargs: Additional keyword arguments for future extensibility.
                 This list is modified in-place.
+            **kwargs: Additional keyword arguments for future extensibility.
         """
         messages = agent.messages
         self._remove_dangling_messages(messages)