chore(deps): update actions/checkout action to v6

[red-hat-konflux]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v4 → v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

• Fix tag handling: preserve annotations and explicit fetch-tags by @​ericsciple in #​2356

v5

Compare Source

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

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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 becomes conflicted, 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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To execute skipped test pipelines write comment /ok-to-test.

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Documentation

Find out how to configure dependency updates in MintMaker documentation or see all available configuration options in Renovate documentation.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Enterprise

Run ID: 6dd4261e-89d7-4416-bf29-38e39b7921a5

📥 Commits

Reviewing files that changed from the base of the PR and between ef34e36 and 3bca9d0.

📒 Files selected for processing (1)

• .github/workflows/test.yml

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Summary by CodeRabbit

• Chores
  • Updated GitHub Actions checkout action version to enhance CI/CD pipeline reliability and compatibility.

Walkthrough

The GitHub Actions checkout action is upgraded from v4 to v6 across three CI jobs: install, test-component, and test-storybook. All other job configuration and commands remain unchanged.

Changes

CI Workflow Version Upgrade

Layer / File(s)	Summary
Workflow Configuration .github/workflows/test.yml	Checkout action updated from actions/checkout@v4 to actions/checkout@v6 in the install, test-component, and test-storybook jobs.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description does not follow the required template; it lacks the mandatory Description section with the 2-3 sentence summary, and is missing the Checklist.	Add a Description section with 2-3 sentences explaining what changed and why, and include the completed Checklist section from the template.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change—updating the actions/checkout action from v4 to v6 in the CI workflow.
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 konflux/mintmaker/master/actions-checkout-6.x

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}