Update registry1.dso.mil/ironbank/opensource/grafana/grafana Docker tag to v11

This MR contains the following updates:

Package	Type	Update	Change
registry1.dso.mil/ironbank/opensource/grafana/grafana		major	10.4.2 -> 11.0.0
registry1.dso.mil/ironbank/opensource/grafana/grafana	ironbank-base	major	10.4.2 -> 11.0.0
registry1.dso.mil/ironbank/opensource/grafana/grafana	final	major	10.4.2 -> 11.0.0

---

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 these updates again.

---

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

---

This MR has been generated by Renovate Bot.