Update dependency gitlab-exporter to v16.3.1

This MR contains the following updates:

Package	Update	Change
gitlab-exporter	minor	16.2.0 -> 16.3.1

Notes for Reviewer

• For security reasons, our Renovate fork cannot trigger canonical chart pipelines
  • ⚠️ Reviewer needs to initiate new MR pipeline, subsequently triggering chart pipeline from it. ⚠️

---

Release Notes

gitlab-org/ruby/gems/gitlab-exporter (gitlab-exporter)

v16.3.1

Compare Source

16.3.1 (2025-12-01)

No changes.

v16.3.0

Compare Source

16.3.0 (2025-10-30)

No changes.

---

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, check this box

---

This MR has been generated by Renovate Bot.