Update to dlpack 1.x

[bdice]

Description

This PR updates cudf to use dlpack 1.x. See release notes:

• https://github.com/dmlc/dlpack/releases/tag/v1.0
• https://github.com/dmlc/dlpack/releases/tag/v1.1

There's no specific motivation for this update, but it seems appropriate for us to use the stable major version now that it has been out for almost a year.

Checklist

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

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[bdice]

/ok to test 0b108b9

[vyasr]

Please coordinate any updates here with @seberg

[bdice]

Thanks. Seems like #18566 was started with work in the same direction. I wasn't planning to do C++/Python changes, just update the dependency. I'll let @seberg weigh in.

[bdice]

/ok to test 12aca36

[seberg]

Ah, I should pick up that PR again soon, but doesn't hurt to update this dependency. FWIW, dlpack must be ABI stable to be useful (and currently is), so I think it would be OK to use >=0.8 to not restrict things unnecessarily.

[bdice]

@seberg I'll close this and let you work on #18566.