Update dependency amazon/aws-cli to v2.8.0

This MR contains the following updates:

Package	Type	Update	Change
amazon/aws-cli	ironbank-docker	minor	2.7.35 -> 2.8.0
amazon/aws-cli		minor	2.7.35 -> 2.8.0
amazon/aws-cli	stage	minor	2.7.35 -> 2.8.0

---

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, click this checkbox.

---

This MR has been generated by Renovate Bot.