fix(helm): update promtail ( 6.16.3 → 6.16.4 )

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
promtail (source)	patch	6.16.3 -> 6.16.4

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Release Notes

grafana/helm-charts (promtail)

### [`v6.16.4`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-6.16.4) [Compare Source](https://togithub.com/grafana/helm-charts/compare/promtail-6.16.3...promtail-6.16.4) The leading tool for querying and visualizing time series and metrics.

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[github-actions[bot]]

kustomization changes in kubernetes/main

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

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

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

     spec:
       chart: promtail
       sourceRef:
         kind: HelmRepository
         name: grafana
         namespace: flux-system
-      version: 6.16.3
+      version: 6.16.4
   install:
     remediation:
       retries: 3
   interval: 2h
   upgrade:
     cleanupOnFail: true