Update grafana/loki Docker tag to v3.1.1

This MR contains the following updates:

Package	Type	Update	Change
grafana/loki		patch	3.1.0 -> 3.1.1
grafana/loki	ironbank-docker	patch	3.1.0 -> 3.1.1
grafana/loki	stage	patch	3.1.0 -> 3.1.1

---

Release Notes

grafana/loki (grafana/loki)

v3.1.1

Compare Source

Features

• loki: add ability to disable AWS S3 dual stack endpoints usage (#​13795) (464ac73)

Bug Fixes

• deps: bumped dependencies versions to resolve CVEs (#​13789) (34206cd)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - 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 these updates again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.