Update dependency @types/node to v11.11.0

This MR contains the following updates:

Package	Type	Update	Change	References
@​types/node	devDependencies	minor	11.10.5 -> 11.11.0	source

---

Renovate configuration

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

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

♻ Rebasing: Whenever MR becomes conflicted.

🔕 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.