Update actions/checkout action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5.0.0 -> v6.0.1

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Release Notes

actions/checkout (actions/checkout)

v6.0.1

Compare Source

v6.0.0

Compare Source

v5.0.1

Compare Source

What's Changed

• Port v6 cleanup to v5 by @​ericsciple in #​2301

Full Changelog: actions/checkout@v5...v5.0.1

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

OpenSSF Scorecard

Package	Version	Score	Details
actions/actions/checkout	8e8c483db84b4bee98b60c0593521ed34d9990e8	🟢 6.3	Details Check Score Reason Maintained 🟢 3 4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Code-Review 🟢 10 all changesets reviewed Binary-Artifacts 🟢 10 no binaries found in the repo Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected License 🟢 10 license file detected Packaging ⚠️ -1 packaging workflow not detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Signed-Releases ⚠️ -1 no releases found Fuzzing ⚠️ 0 project is not fuzzed Security-Policy 🟢 9 security policy file detected Pinned-Dependencies 🟢 3 dependency not pinned by hash detected -- score normalized to 3 Branch-Protection 🟢 5 branch protection is not maximal on development and all release branches Vulnerabilities 🟢 9 1 existing vulnerabilities detected SAST 🟢 8 SAST tool detected but not run on all commits

Scanned Files

• .github/workflows/ci.yml