chore(deps): update kube-prometheus-stack docker tag to v81.4.1 (#3611)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [kube-prometheus-stack](https://github.com/prometheus-operator/kube-prometheus) ([source](https://github.com/prometheus-community/helm-charts)) | minor | `81.3.1` → `81.4.1` |

---

### Release Notes

<details>
<summary>prometheus-community/helm-charts (kube-prometheus-stack)</summary>

### [`v81.4.1`](https://github.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-81.4.1)

[Compare Source](https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-81.4.0...kube-prometheus-stack-81.4.1)

kube-prometheus-stack collects Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.

#### What's Changed

- \[kube-prometheus-stack] Add disableAlerting to omit Prometheus alerting config by [@&#8203;lucas-alpaca](https://github.com/lucas-alpaca) in [#&#8203;6552](https://github.com/prometheus-community/helm-charts/pull/6552)

#### New Contributors

- [@&#8203;lucas-alpaca](https://github.com/lucas-alpaca) made their first contribution in [#&#8203;6552](https://github.com/prometheus-community/helm-charts/pull/6552)

**Full Changelog**: <https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-81.4.0...kube-prometheus-stack-81.4.1>

### [`v81.4.0`](https://github.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-81.4.0)

[Compare Source](https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-81.3.2...kube-prometheus-stack-81.4.0)

kube-prometheus-stack collects Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.

#### What's Changed

- \[kube-prometheus-stack] Update <https://github.com/etcd-io/etcd> digest to [`d89978e`](https://github.com/prometheus-community/helm-charts/commit/d89978e) by [@&#8203;renovate](https://github.com/renovate)\[bot] in [#&#8203;6551](https://github.com/prometheus-community/helm-charts/pull/6551)

**Full Changelog**: <https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-81.3.2...kube-prometheus-stack-81.4.0>

### [`v81.3.2`](https://github.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-81.3.2)

[Compare Source](https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-81.3.1...kube-prometheus-stack-81.3.2)

kube-prometheus-stack collects Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.

#### What's Changed

- \[kube-prometheus-stack] Update Helm release grafana to v10.5.15 by [@&#8203;renovate](https://github.com/renovate)\[bot] in [#&#8203;6550](https://github.com/prometheus-community/helm-charts/pull/6550)

**Full Changelog**: <https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-81.3.1...kube-prometheus-stack-81.3.2>

</details>

---

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---

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4wLjIiLCJ1cGRhdGVkSW5WZXIiOiI0My4wLjIiLCJ0YXJnZXRCcmFuY2giOiJtYWluIiwibGFiZWxzIjpbImltYWdlIl19-->

Reviewed-on: #3611
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/kube-prometheus-stack/Chart.lock

@@ -1,12 +1,12 @@
 dependencies:
 - name: kube-prometheus-stack
   repository: oci://ghcr.io/prometheus-community/charts
-  version: 81.3.1
+  version: 81.4.1
 - name: app-template
   repository: https://bjw-s-labs.github.io/helm-charts/
   version: 4.6.2
 - name: redis-replication
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 1.0.1
-digest: sha256:7df13e88abf5c6d0aa0108743e5c8cbf32129189e7aad5a9a6ffff30ed65949a
+digest: sha256:7ac1d802b75ac562dcc9f7fd0c5e6338267c894fb0ad5974aa51ca8dac51bca6
-generated: "2026-01-29T19:03:34.019248959Z"
+generated: "2026-01-30T19:12:53.647248166Z"

clusters/cl01tl/helm/kube-prometheus-stack/Chart.yaml

@@ -20,7 +20,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: kube-prometheus-stack
-    version: 81.3.1
+    version: 81.4.1
     repository: oci://ghcr.io/prometheus-community/charts
   - name: app-template
     alias: ntfy-alertmanager