Update alpine/k8s Docker tag to v1.26.1

This MR contains the following updates:

Package	Type	Update	Change
alpine/k8s	image-name	patch	1.26.0 -> 1.26.1

---

Configuration

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

Automerge: Enabled.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

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

---

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

---

This MR has been generated by Renovate Bot.