missing xdrlib dependency with python 3.13

[gituser789]

xdrlib support has been dropped with python 3.13, see also
https://docs.python.org/3/library/xdrlib.html

lecroyutils no longer works and result into the following error:

Traceback (most recent call last):
  File "trial.py", line 6, in <module>
    from lecroyutils.control import LecroyScope, TriggerMode, TriggerType
  File ".venv/lib/python3.13/site-packages/lecroyutils/control.py", line 5, in <module>
    import vxi11
  File ".venv/lib/python3.13/site-packages/vxi11/__init__.py", line 30, in <module>
    from .vxi11 import Instrument, InterfaceDevice, list_devices
  File ".venv/lib/python3.13/site-packages/vxi11/vxi11.py", line 27, in <module>
    from . import rpc
  File ".venv/lib/python3.13/site-packages/vxi11/rpc.py", line 22, in <module>
    import xdrlib
ModuleNotFoundError: No module named 'xdrlib'