Update rust:1.54.0-alpine Docker digest to cef1900

This MR contains the following updates:

Package	Type	Update	Change
rust	image	digest	8463cc2 -> cef1900

---

Renovate configuration

📅 Schedule: 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 this update again.

---

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