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

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v4 → v6
actions/checkout	action	major	v1 → v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

v5

Compare Source

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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 these updates again.

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1. .github/workflows/lint.yml:10

• Draft comment:
  Updated actions/checkout to v6. Verify that v6 defaults (and any breaking changes) are compatible with both the 'validate-commits' and 'golangci-lint' jobs.
• Reason this comment was not posted:
  Confidence changes required: 33% <= threshold 50% None

2. .github/workflows/release.yml:13

• Draft comment:
  The checkout step in the release workflow is updated to v6. Confirm that the v6 behavior (especially around 'fetch-depth') aligns with your release requirements.
• Reason this comment was not posted:
  Confidence changes required: 33% <= threshold 50% None

3. .github/workflows/test.yml:12

• Draft comment:
  Actions/checkout has been updated to v6 in the test workflows. Ensure that its new defaults do not affect the Go test and mod tidy steps.
• Reason this comment was not posted:
  Confidence changes required: 33% <= threshold 50% None

Workflow ID: wflow_N0IdbuEmd453C00Y

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