chore(guard): sync vendored public-repo-guard to canonical

[wave-av-release-bot]

Syncs the vendored public-repo-guard trio to the canonical source in wave-foundation/scaffolder/public-repo-guard.

• adds the internal-ip leak rule (Tailscale-CGNAT 100.64.0.0/10), lockstep with the pre-publish mirror gate
• reconciles accumulated drift in the vendored copy

Each changed file is byte-for-byte identical to canonical (verified by git blob SHA). The repo's own Secrets + content policy gate re-scans this PR.

🤖 Generated with Claude Code

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Note

Update public-repo-guard workflow to use actions/checkout v7 without persisted credentials

Syncs public-repo-guard.yml to the canonical version. Upgrades actions/checkout from v5.0.1 to v7.0.0 and sets persist-credentials: false so the GITHUB_TOKEN is no longer stored in the repository's Git config after checkout.

^{Macroscope summarized 47c8ff0.}

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Summary by cubic

Syncs the vendored public-repo-guard to the canonical wave-foundation/scaffolder/public-repo-guard, improving leak detection and hardening CI token handling.

• New Features

  • Added internal IP leak rule for Tailscale CGNAT 100.64.0.0/10.

• Dependencies

  • Upgraded actions/checkout to v7.0.0.
  • Set persist-credentials: false to avoid exposing a live token to the scanner.

^{Written for commit 47c8ff0. Summary will update on new commits.}

[greptile-apps]

PR author is in the excluded authors list.

[macroscopeapp]

Approvability

Verdict: Approved 47c8ff0

Minor CI/CD change updating actions/checkout version and adding security hardening (persist-credentials: false). No production behavior impact.

^{You can customize Macroscope's approvability policy. Learn more.}

[devin-ai-integration]

Devin Review found 1 potential issue.

[devin-ai-integration]

🔍 Checkout pin now inconsistent across workflows

This workflow is bumped to actions/checkout v7.0.0 while every checkout in .github/workflows/_checks.yml (e.g. .github/workflows/_checks.yml:32, :150, :181) remains pinned to v4.3.1 without persist-credentials: false being newly added there (it already is set). The version divergence means two different checkout majors run in the same repo's CI; consider aligning pins repo-wide so the vendored-guard pattern stays reproducible and easy to audit.

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