Update dependency gitlab-labkit to '~> 0.31.1'

This MR contains the following updates:

Package	Update	Change
gitlab-labkit	minor	'~> 0.30.1' -> '~> 0.31.1'

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

---

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 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, click this checkbox.

---

This MR has been generated by Renovate Bot.