fix(helm): update promtail ( 6.16.4 → 6.16.5 )

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
promtail (source)	patch	6.16.4 -> 6.16.5

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Release Notes

grafana/helm-charts (promtail)

### [`v6.16.5`](https://togithub.com/grafana/helm-charts/releases/tag/promtail-6.16.5) [Compare Source](https://togithub.com/grafana/helm-charts/compare/promtail-6.16.4...promtail-6.16.5) Promtail is an agent which ships the contents of local logs to a Loki instance #### What's Changed - \[promtail] Add automount option for service account and pod by [@​emilkor1](https://togithub.com/emilkor1) in [https://github.com/grafana/helm-charts/pull/2990](https://togithub.com/grafana/helm-charts/pull/2990) **Full Changelog**: https://github.com/grafana/helm-charts/compare/grafana-sampling-1.0.1...promtail-6.16.5

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