chore(deps): update helm release promtail to v6.16.4 (#160)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [promtail](https://grafana.com/loki)
([source](https://togithub.com/grafana/helm-charts)) | minor | `6.15.5`
-> `6.16.4` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>grafana/helm-charts (promtail)</summary>

###
[`v6.16.4`](https://togithub.com/grafana/helm-charts/releases/tag/promtail-6.16.4)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/promtail-6.16.3...promtail-6.16.4)

Promtail is an agent which ships the contents of local logs to a Loki
instance

#### What's Changed

- \[promtail] service-extra: custom labels not working by
[@&#8203;camrossi](https://togithub.com/camrossi) in
[https://github.com/grafana/helm-charts/pull/3220](https://togithub.com/grafana/helm-charts/pull/3220)

#### New Contributors

- [@&#8203;camrossi](https://togithub.com/camrossi) made their first
contribution in
[https://github.com/grafana/helm-charts/pull/3220](https://togithub.com/grafana/helm-charts/pull/3220)

**Full Changelog**:
grafana/helm-charts@oncall-1.8.4...promtail-6.16.4

###
[`v6.16.3`](https://togithub.com/grafana/helm-charts/releases/tag/promtail-6.16.3)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/promtail-6.16.2...promtail-6.16.3)

Promtail is an agent which ships the contents of local logs to a Loki
instance

#### What's Changed

- \[promtail] prefer image.tag for app.kubernetes.io/version by
[@&#8203;yurrriq](https://togithub.com/yurrriq) in
[https://github.com/grafana/helm-charts/pull/3200](https://togithub.com/grafana/helm-charts/pull/3200)

#### New Contributors

- [@&#8203;yurrriq](https://togithub.com/yurrriq) made their first
contribution in
[https://github.com/grafana/helm-charts/pull/3200](https://togithub.com/grafana/helm-charts/pull/3200)

**Full Changelog**:
grafana/helm-charts@grafana-8.3.1...promtail-6.16.3

###
[`v6.16.2`](https://togithub.com/grafana/helm-charts/releases/tag/promtail-6.16.2)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/promtail-6.16.1...promtail-6.16.2)

Promtail is an agent which ships the contents of local logs to a Loki
instance

#### What's Changed

- \[promtail] Bugfix deployment.strategy in values.yaml by
[@&#8203;Sheikh-Abubaker](https://togithub.com/Sheikh-Abubaker) in
[https://github.com/grafana/helm-charts/pull/2932](https://togithub.com/grafana/helm-charts/pull/2932)

**Full Changelog**:
grafana/helm-charts@tempo-distributed-1.12.0...promtail-6.16.2

###
[`v6.16.1`](https://togithub.com/grafana/helm-charts/releases/tag/promtail-6.16.1)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/promtail-6.16.0...promtail-6.16.1)

Promtail is an agent which ships the contents of local logs to a Loki
instance

#### What's Changed

- \[promtail] Update service template to fix broken promtail. by
[@&#8203;Sheikh-Abubaker](https://togithub.com/Sheikh-Abubaker) in
[https://github.com/grafana/helm-charts/pull/3164](https://togithub.com/grafana/helm-charts/pull/3164)

**Full Changelog**:
grafana/helm-charts@helm-loki-6.6.4...promtail-6.16.1

###
[`v6.16.0`](https://togithub.com/grafana/helm-charts/releases/tag/promtail-6.16.0)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/promtail-6.15.5...promtail-6.16.0)

Promtail is an agent which ships the contents of local logs to a Loki
instance

#### What's Changed

- \[promtail] update to 3.0.0 by
[@&#8203;mjnagel](https://togithub.com/mjnagel) in
[https://github.com/grafana/helm-charts/pull/3083](https://togithub.com/grafana/helm-charts/pull/3083)

#### New Contributors

- [@&#8203;mjnagel](https://togithub.com/mjnagel) made their first
contribution in
[https://github.com/grafana/helm-charts/pull/3083](https://togithub.com/grafana/helm-charts/pull/3083)

**Full Changelog**:
grafana/helm-charts@grafana-agent-operator-0.4.0...promtail-6.16.0

</details>

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cluster/apps/monitoring/promtail/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://grafana.github.io/helm-charts
       chart: promtail
-      version: 6.15.5
+      version: 6.16.4
       sourceRef:
         kind: HelmRepository
         name: grafana