Disable cuml-compat-tests for cpp-only PR changes

[davidwendt]

Description

Disable cuml tests when C++ only changes appear in a PR.

Checklist

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

[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: dadf8da0-b2ad-44be-871a-735a7535616f

📥 Commits

Reviewing files that changed from the base of the PR and between 9ed1bdc and 92cb053.

📒 Files selected for processing (1)

• .github/workflows/pr.yaml

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Updated compatibility test workflow conditions to run only for relevant Python and Conda changes.
  • Excluded C++ changes and selected components from triggering the compatibility test job.

Walkthrough

The pull request updates the cuml-compat-tests workflow condition. The job now skips changes that include C++ files, in addition to existing exclusions for cudf_polars and dask_cudf.

Changes

cuml compatibility test gating

Layer / File(s)	Summary
Workflow condition update .github/workflows/pr.yaml	The cuml-compat-tests job now requires neither_cpp_nor_cudf_polars_nor_dask_cudf for execution.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Mergeability Score: ⚪ Minimal · up to 92cb0

This localized workflow change skips compatibility tests only for C++-only pull requests while retaining them for mixed changes; no actionable merge-blocking risk remains beyond normal review.

Suggested reviewers: jameslamb, mroeschke

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the change to disable cuml-compat-tests for C++-only pull requests.
Description check	✅ Passed	The description directly explains that cuml tests are disabled when a pull request contains only C++ changes.
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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