Update velero/velero-plugin-for-microsoft-azure Docker tag to v1.2.1

This MR contains the following updates:

Package	Type	Update	Change
velero/velero-plugin-for-microsoft-azure	ironbank-docker	patch	v1.2.0 -> v1.2.1
velero/velero-plugin-for-microsoft-azure		patch	v1.2.0 -> v1.2.1
velero/velero-plugin-for-microsoft-azure	stage	patch	v1.2.0 -> v1.2.1

---

Configuration

📅 Schedule: 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.