Replace rapids-xgboost with xgboost in the CI. (#8440)

[chyunsu3]

Cherry-pick #8440 to the 26.08 branch.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Enterprise

Run ID: 651f5424-2e2d-4331-8173-69f6f758b185

📥 Commits

Reviewing files that changed from the base of the PR and between b76c76b and 9de1a49.

📒 Files selected for processing (6)

• ci/release/update-version.sh
• conda/environments/all_cuda-129_arch-aarch64.yaml
• conda/environments/all_cuda-129_arch-x86_64.yaml
• conda/environments/all_cuda-133_arch-aarch64.yaml
• conda/environments/all_cuda-133_arch-x86_64.yaml
• dependencies.yaml

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Updated development and test environments to use XGBoost 3.3.0 or newer.
  • Removed the deprecated RAPIDS-specific XGBoost package from environment setup.
  • Updated copyright notices through 2026.

Walkthrough

The change replaces rapids-xgboost with xgboost>=3.3.0 in conda environments and the Python 3.11 dependency matrix. The release version updater no longer processes rapids-xgboost, and its SPDX notice is updated through 2026.

Changes

XGBoost dependency migration

Layer / File(s)	Summary
Environment dependency updates conda/environments/all_cuda-*/, dependencies.yaml	Conda environments and the Python 3.11 matrix replace rapids-xgboost with xgboost>=3.3.0.
Release updater adjustment ci/release/update-version.sh	The updater excludes rapids-xgboost, and the SPDX notice includes NVIDIA affiliates through 2026.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• rapidsai/cuml#8440: Both changes remove rapids-xgboost and add xgboost>=3.3.0 across the same dependency and environment files.
• rapidsai/cuml#8387: Both changes modify the same environment files and dependencies.yaml.

Suggested labels: conda, improvement, ci

Suggested reviewers: bdice

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes replacing rapids-xgboost with xgboost in CI, which is the main change.
Description check	✅ Passed	The description identifies the cherry-pick and target branch, which matches the pull request objective.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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