chore(deps): update docker.io/library/node docker tag to v12.20.2

This MR contains the following updates:

Package	Type	Update	Change
docker.io/library/node	image	patch	12.20.1 -> 12.20.2

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ 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

---

This MR has been generated by Renovate Bot. The local configuration can be found in the SI Renovate Bot repository.