Fix no libdw.so issue on AMD CI

[yf225]

Error (https://github.com/pytorch/helion/actions/runs/19197929602/job/54881647027?pr=1106):

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/__w/helion/helion/helion/__init__.py", line 6, in <module>
    from . import _compat as _compat_module  # noqa: F401  # side-effect import
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/__w/helion/helion/helion/_compat.py", line 9, in <module>
    import torch
  File "/__w/helion/helion/.venv/lib/python3.12/site-packages/torch/__init__.py", line 433, in <module>
    from torch._C import *  # noqa: F403
    ^^^^^^^^^^^^^^^^^^^^^^
ImportError: libdw.so.1: cannot open shared object file: No such file or directory

[oulgen]

if this is needed on amd only, can you add a skip otherwise? apt-get update takes a long time