chore: strip redundant setup-python from codeql (baked into runner)

[27Bslash6]

Runner v0.3.0 has Python 3.9-3.14 baked in. No need for setup-python on cachekit self-hosted runners.

Summary by CodeRabbit

• Chores
  • Updated CI/CD workflow configuration to streamline code analysis processes.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 09f16d8a-9911-4045-b237-daa410a0d759

📥 Commits

Reviewing files that changed from the base of the PR and between ed23317 and 66701f0.

📒 Files selected for processing (1)

• .github/workflows/codeql.yml

💤 Files with no reviewable changes (1)

• .github/workflows/codeql.yml

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📝 Walkthrough

Walkthrough

The CodeQL workflow no longer includes a conditional step that explicitly sets up Python 3.12 for Python-language analysis. The workflow now skips the actions/setup-python@v5 action and relies on the pre-existing Python environment.

Changes

CodeQL Workflow Simplification

Layer / File(s)	Summary
Workflow Step Removal .github/workflows/codeql.yml	Conditional Python setup step (actions/setup-python@v5 pinned to Python 3.12) is removed from the language-specific analysis job.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 Adjusts whiskers thoughtfully
One setup step hops away,
Python finds its own way—
CodeQL's dance, unhindered today! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is minimal but does not follow the required template structure with Description, Motivation, Type of Change, Security Checklist, Documentation, Testing, Backward Compatibility sections.	Provide a complete description following the template with Type of Change selection, Security Checklist completion, and other required sections.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: removing redundant setup-python from the CodeQL workflow because Python is already included in the runner.
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.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/strip-redundant-setup

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