feat(helm): update chart loki to 6.12.0

[rosey-the-renovator-bot[bot]]

This PR contains the following updates:

Package	Update	Change
loki (source)	minor	6.11.0 -> 6.12.0

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[rosey-the-renovator-bot[bot]]

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

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

@@ -12,13 +12,13 @@

     spec:
       chart: loki
       sourceRef:
         kind: HelmRepository
         name: grafana-charts
         namespace: flux-system
-      version: 6.11.0
+      version: 6.12.0
   install:
     remediation:
       retries: 3
   interval: 30m
   maxHistory: 3
   uninstall: