Use latest intersphinx inventories on main

[csadorf]

Points the cuDF and RMM intersphinx mappings at their published latest inventories, restoring documentation builds on main. The broader release-aware selection remains tracked in #8549.

Closes #8557

[coderabbitai]

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ℹ️ Recent review info

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📥 Commits

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• docs/source/conf.py

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📝 Summary

Summary by CodeRabbit

• Documentation
  • Updated documentation links for cuDF and RMM to point to their latest documentation instead of version-specific URLs.

Walkthrough

The Sphinx configuration now uses the latest cuDF and RMM documentation URLs for intersphinx mappings. It also removes comments for the previous version-specific URL workaround.

Changes

Documentation inventory mappings

Layer / File(s)	Summary
Update cuDF and RMM mappings docs/source/conf.py	The intersphinx mappings now target the latest cuDF and RMM documentation URLs instead of version-specific 26.10 URLs. Related workaround comments were removed.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Merge Risk: ⚪ Minimal · up to cc24b

This updates cuDF and RMM documentation inventory endpoints to their latest URLs. No remaining merge-readiness risk is identified.

Suggested reviewers: bdice

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the main change: using the latest intersphinx inventories on the main branch.
Description check	✅ Passed	The description directly explains the cuDF and RMM inventory updates, the documentation build failure, and the related issue.
Linked Issues check	✅ Passed	The changes satisfy issue #8557 by replacing unavailable cuDF and RMM 26.10 inventory URLs with published latest inventories, which addresses the documented Sphinx build failure.
Out of Scope Changes check	✅ Passed	The changes are limited to the cuDF and RMM intersphinx mappings and related workaround comments in docs/source/conf.py. No unrelated changes are present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/use-latest-intersphinx-inventories

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