Update Ironbank to v1.27.5

This MR contains the following updates:

Package	Update	Change
ironbank/kiwigrid/k8s-sidecar (source)	patch	1.27.4 -> 1.27.5
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar (source)	patch	1.27.4 -> 1.27.5

---

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

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

---

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

---

This MR has been generated by Renovate Bot

Upgrade Notices

N/A