fix: pin actions/checkout to SHA in pr-review.yml

[don-petry]

Summary

• Pins actions/checkout@v5 to its commit SHA 93cb6efe18208431cddfb8368fd83d5badbf9bfd in .github/workflows/pr-review.yml
• Addresses the action-pinning compliance finding from the weekly audit

Closes #51

Generated with Claude Code

Summary by CodeRabbit

• Chores
  • Updated CI workflow to pin the repository checkout action to a specific commit, improving consistency and stability of automated checks.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 66bf8dd6-6eac-4376-bfc5-90010fb1239a

📥 Commits

Reviewing files that changed from the base of the PR and between 979e2fb and c8afd5a.

📒 Files selected for processing (1)

• .github/workflows/pr-review.yml

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📝 Walkthrough

Walkthrough

The actions/checkout action in the PR review workflow is pinned from @v5 to a specific commit SHA (93cb6efe18208431cddfb8368fd83d5badbf9bfd) with no other workflow changes.

Changes

GitHub Actions Pinning

Layer / File(s)	Summary
Action Pin Update .github/workflows/pr-review.yml	The Checkout agent repo step pins actions/checkout from @v5 to commit SHA 93cb6efe18208431cddfb8368fd83d5badbf9bfd.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related issues

• Compliance: unpinned-actions-pr-review.yml #51: Compliance: unpinned-actions-pr-review.yml — This PR directly addresses the compliance finding by pinning the unpinned actions/checkout@v5 action to a specific commit SHA as required by the action-pinning policy.

🚥 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 clearly and specifically describes the main change: pinning actions/checkout to a SHA in pr-review.yml, which is the primary objective of the PR.
Linked Issues check	✅ Passed	The PR successfully addresses issue #51 by pinning actions/checkout@v5 to commit SHA 93cb6efe18208431cddfb8368fd83d5badbf9bfd, fulfilling the action-pinning compliance requirement.
Out of Scope Changes check	✅ Passed	All changes in the PR are within scope, consisting only of pinning the actions/checkout action to a specific SHA as required by issue #51.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ 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 claude/issue-51-20260508-1409

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[Copilot]

Pull request overview

Pins actions/checkout in the PR review automation workflow to a specific commit SHA to satisfy the repository’s action-pinning compliance requirement (issue #51).

Changes:

• Replace actions/checkout@v5 with a full commit SHA pin (93cb6efe18208431cddfb8368fd83d5badbf9bfd) in pr-review.yml.

---

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[donpetry-bot]

Automated review — APPROVED ✓

Risk: LOW
Reviewed commit: 7a4967a220b6b2abd4800f4e065d28823addbe97
Review mode: triage-approved (single reviewer)

Summary

Single-line change pinning actions/checkout@v5 to its commit SHA (93cb6efe18208431cddfb8368fd83d5badbf9bfd) in .github/workflows/pr-review.yml. This is a standard security best practice that prevents supply chain attacks via tag mutation.

Linked issue analysis

Closes #51 — a compliance finding (action-pinning / error severity) from the weekly audit flagging actions/checkout@v5 as unpinned. The fix directly addresses the finding by pinning to the exact SHA while retaining a # v5 comment for readability.

Findings

• ✅ SHA 93cb6efe18208431cddfb8368fd83d5badbf9bfd verified as the correct commit for actions/checkout tag v5
• ✅ Version comment (# v5) retained for maintainability
• ✅ No functional changes to the workflow logic
• ✅ No security concerns

CI status

Check	Status
Claude Code	✅ SUCCESS
CodeQL (actions)	✅ SUCCESS
CodeQL (javascript-typescript)	✅ SUCCESS
CodeQL (python)	✅ SUCCESS
CodeRabbit	✅ SUCCESS

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Reviewed automatically by the PR-review agent (single-reviewer). Reply if you need a human review.

[github-actions]

Auto-rebase blocked — the base branch contains .github/workflows/ changes that require the workflows permission to merge into this branch, but the auto-rebase workflow's token does not have that permission.

Please rebase this branch manually:

git fetch origin
git rebase origin/main
git push --force-with-lease

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud