MIGRATION(docs): Add Server._list_windows()/_update_windows() to deprecation table

why: These deprecated methods were missing from the Query/Filter API Changes table.
what:
- Add row documenting Server._list_windows() and Server._update_windows()
- Mirrors the pattern used for Server._list_panes()/_update_panes()

Author: tony

MIGRATION

@@ -69,6 +69,7 @@ sections below for detailed migration examples and code samples.
 | Server | `where({...})` | `sessions.filter(**kwargs)` | 0.17.0 (2022-12-26) | 0.51.0 |
 | Server | `find_where({...})` | `sessions.get(default=None, **kwargs)` | 0.17.0 (2022-12-26) | 0.51.0 |
 | Server | `_list_panes()` / `_update_panes()` | `panes` property | 0.17.0 (2022-12-26) | 0.51.0 |
+| Server | `_list_windows()` / `_update_windows()` | `windows` property | 0.17.0 (2022-12-26) | 0.51.0 |
 | Server | `get_by_id(id)` | `sessions.get(session_id=..., default=None)` | 0.16.0 (2022-12-10) | 0.51.0 |
 | Session | `list_windows()` / `_list_windows()` | `windows` property | 0.17.0 (2022-12-26) | 0.51.0 |
 | Session | `where({...})` | `windows.filter(**kwargs)` | 0.17.0 (2022-12-26) | 0.51.0 |