Pin dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker/dockerfile	syntax	pinDigest	-> ac85f38
perl	final	pinDigest	-> 8e47a70
perl	final	pinDigest	-> 43843d9

---

Configuration

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

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.