ci: use ubuntu-slim for lightweight workflows

[njzjz]

Summary

• switch lightweight label, mirror, TODO, and pass aggregation jobs to ubuntu-slim
• switch the Python test duration aggregation job to ubuntu-slim
• keep build and test execution jobs on their existing runners

Validation

• python YAML parse for all workflow files
• git diff --check
• ruff check .

Note: ruff format --check . still reports pre-existing formatting in dpa_adapt/cli.py, which is unrelated to this workflow-only change.

Summary by CodeRabbit

• Chores
  • Updated several GitHub Actions jobs to run on a slimmer Ubuntu runner.
  • Applied this environment change across build, test, packaging, labeling, mirroring, and maintenance workflows.
  • No workflow steps, dependencies, or job logic were changed.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 96ae8c3b-28b2-48a2-bf22-610d7d9c270f

📥 Commits

Reviewing files that changed from the base of the PR and between 3d73c67 and a0085bd.

📒 Files selected for processing (10)

• .github/workflows/build_cc.yml
• .github/workflows/build_wheel.yml
• .github/workflows/labeler.yml
• .github/workflows/mirror_gitee.yml
• .github/workflows/package_c.yml
• .github/workflows/remove_test_cuda_label.yml
• .github/workflows/test_cc.yml
• .github/workflows/test_cuda.yml
• .github/workflows/test_python.yml
• .github/workflows/todo.yml

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📝 Walkthrough

Walkthrough

This PR updates the runs-on runner label in ten GitHub Actions workflow files, switching jobs from ubuntu-latest (or ubuntu-22.04) to ubuntu-slim. No other workflow logic, steps, or dependencies were modified.

Changes

CI Runner Migration

Layer / File(s)	Summary
Update job runners to ubuntu-slim .github/workflows/build_cc.yml, .github/workflows/build_wheel.yml, .github/workflows/labeler.yml, .github/workflows/mirror_gitee.yml, .github/workflows/package_c.yml, .github/workflows/remove_test_cuda_label.yml, .github/workflows/test_cc.yml, .github/workflows/test_cuda.yml, .github/workflows/test_python.yml, .github/workflows/todo.yml	The runs-on value for each affected job is changed to ubuntu-slim (from ubuntu-latest or ubuntu-22.04), with all other job configuration unchanged.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• deepmodeling/deepmd-kit#5541: Both PRs modify the runs-on runner label in .github/workflows/test_cuda.yml's CUDA testing job.

Suggested reviewers: wanghan-iapcm

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main CI change: switching lightweight workflow jobs to ubuntu-slim.
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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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.22%. Comparing base (3d73c67) to head (a0085bd).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5742      +/-   ##
==========================================
- Coverage   81.36%   81.22%   -0.14%     
==========================================
  Files         991      991              
  Lines      111198   111199       +1     
  Branches     4235     4236       +1     
==========================================
- Hits        90474    90321     -153     
- Misses      19199    19351     +152     
- Partials     1525     1527       +2     

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