chore(deps): update debian:12.6-slim docker digest to 70d4c04

This MR contains the following updates:

Package	Type	Update	Change
debian	final	digest	16112ae -> 70d4c04
debian	stage	digest	16112ae -> 70d4c04

---

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.