Update Helm release loki to v6.6.5

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
loki (source)	HelmChart	patch	6.6.3 -> 6.6.5

---

Release Notes

grafana/helm-charts (loki)

### [`v6.6.5`](https://togithub.com/grafana/helm-charts/releases/tag/helm-loki-6.6.5) Helm chart for Grafana Loki and Grafana Enterprise Logs supporting both simple, scalable and distributed modes. Source commit: https://github.com/grafana/loki/commit/29f1ea91ecd935a6becae2bd425224a913285071 Tag on source: https://github.com/grafana/loki/releases/tag/helm-loki-6.6.5 ### [`v6.6.4`](https://togithub.com/grafana/helm-charts/releases/tag/helm-loki-6.6.4) Helm chart for Grafana Loki and Grafana Enterprise Logs supporting both simple, scalable and distributed modes. Source commit: https://github.com/grafana/loki/commit/05176e445b90597379c268e799b0fb86b8629b9e Tag on source: https://github.com/grafana/loki/releases/tag/helm-loki-6.6.4

---

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 PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.