chore(deps): update node.js to v20

This MR contains the following updates:

Package	Type	Update	Change
node	image	major	19-buster-slim -> 20-buster-slim

---

Release Notes

nodejs/node

v20

Moved to doc/changelogs/CHANGELOG_V012.md#​0.12.14.

---

Configuration

Schedule: Branch creation - "before 3am on Monday" (UTC), Automerge - At any time (no schedule defined).

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

Rebasing: Whenever MR becomes conflicted, 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

.gitlab-ci.yml

@@ -22,7 +22,7 @@ docker:
 
 
 release:
-  image: node:19-buster-slim
+  image: node:20-buster-slim
   stage: release
   before_script:
     - apt-get update && apt-get install -y --no-install-recommends git-core ca-certificates