Update cross-link to cuda-python object

[wence-]

Description

nvidia/cuda-python#137 reorganised the low-level binding structure which broke our cross-linking, update to the new name to fix.

• Closes #1698

Checklist

• [x] I am familiar with the Contributing Guidelines.
• [x] New or existing tests cover these changes.
• [x] The documentation is up to date with these changes.

[Matt711]

Example of the failure: https://github.com/rapidsai/rmm/actions/runs/11256211990/job/31298169643#step:9:1283

[wence-]

/merge

[harrism]

Thanks for fixing @wence- !

[jakirkham]

cc @leofang (for vis)

[leofang]

cc @leofang (for vis)

Thanks, see https://github.com/rapidsai/rmm/issues/1698#issuecomment-2402835867 / https://github.com/NVIDIA/cuda-python/issues/140.