feat(helm): update chart loki to 6.8.0

[layla-bot]

This PR contains the following updates:

Package	Update	Change
loki (source)	minor	6.7.4 -> 6.8.0

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Release Notes

grafana/helm-charts (loki)

v6.8.0

Helm chart for Grafana Loki and Grafana Enterprise Logs supporting both simple, scalable and distributed modes.

Source commit: grafana/loki@3be5a45

Tag on source: https://github.com/grafana/loki/releases/tag/helm-loki-6.8.0

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Configuration

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This PR has been generated by Renovate Bot.

[layla-bot]

--- kubernetes/main/apps/observability/loki/app Kustomization: flux-system/loki HelmRelease: observability/loki

+++ kubernetes/main/apps/observability/loki/app Kustomization: flux-system/loki HelmRelease: observability/loki

@@ -13,13 +13,13 @@

     spec:
       chart: loki
       sourceRef:
         kind: HelmRepository
         name: grafana
         namespace: flux-system
-      version: 6.7.4
+      version: 6.8.0
   dependsOn:
   - name: openebs
     namespace: openebs-system
   - name: rook-ceph-cluster
     namespace: rook-ceph
   - name: vector-agent