chore(deps): update debian docker tag to v11.7

This MR contains the following updates:

Package	Type	Update	Change
debian	final	minor	11.6-slim -> 11.7-slim
debian	stage	minor	11.6-slim -> 11.7-slim

---

Configuration

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

🚦 Automerge: Enabled.

♻ Rebasing: Whenever MR is behind base branch, 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.