Update cgr.dev/chainguard/apko Docker tag to v0.7.1 - autoclosed

This MR contains the following updates:

Package	Type	Update	Change
cgr.dev/chainguard/apko	image-name	minor	0.6.0 -> 0.7.1

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Configuration

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

🚦 Automerge: Enabled.

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

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

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