Upgrade to latest 3.12 and 3.13 versions for stubtest (#12131)

stdlib/telnetlib.pyi

@@ -88,6 +88,7 @@ NOOPT: bytes
 
 class Telnet:
     host: str | None  # undocumented
+    sock: socket.socket | None  # undocumented
     def __init__(self, host: str | None = None, port: int = 0, timeout: float = ...) -> None: ...
     def open(self, host: str, port: int = 0, timeout: float = ...) -> None: ...
     def msg(self, msg: str, *args: Any) -> None: ...