chore(deps): update helm chart kube-prometheus-stack to 55.8.1 by renovate (#17109)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[kube-prometheus-stack](https://togithub.com/prometheus-operator/kube-prometheus)
([source](https://togithub.com/prometheus-community/helm-charts)) |
minor | `55.7.0` -> `55.8.1` |

---

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

---

### Release Notes

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

###
[`v55.8.1`](https://togithub.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-55.8.1)

[Compare
Source](https://togithub.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-55.8.0...kube-prometheus-stack-55.8.1)

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] Avoid nil pointer error with empty thanos
config by [@&#8203;gracedo](https://togithub.com/gracedo) in
[https://github.com/prometheus-community/helm-charts/pull/4132](https://togithub.com/prometheus-community/helm-charts/pull/4132)

**Full Changelog**:
https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-55.8.0...kube-prometheus-stack-55.8.1

###
[`v55.8.0`](https://togithub.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-55.8.0)

[Compare
Source](https://togithub.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-55.7.1...kube-prometheus-stack-55.8.0)

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] Bump chart dependencies by
[@&#8203;dotdc](https://togithub.com/dotdc) in
[https://github.com/prometheus-community/helm-charts/pull/4141](https://togithub.com/prometheus-community/helm-charts/pull/4141)

**Full Changelog**:
https://github.com/prometheus-community/helm-charts/compare/kube-state-metrics-5.16.0...kube-prometheus-stack-55.8.0

###
[`v55.7.1`](https://togithub.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-55.7.1)

[Compare
Source](https://togithub.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-55.7.0...kube-prometheus-stack-55.7.1)

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] quote host in alertmanager ingress spec by
[@&#8203;msadiq058](https://togithub.com/msadiq058) in
[https://github.com/prometheus-community/helm-charts/pull/4138](https://togithub.com/prometheus-community/helm-charts/pull/4138)

#### New Contributors

- [@&#8203;msadiq058](https://togithub.com/msadiq058) made their first
contribution in
[https://github.com/prometheus-community/helm-charts/pull/4138](https://togithub.com/prometheus-community/helm-charts/pull/4138)

**Full Changelog**:
https://github.com/prometheus-community/helm-charts/compare/prometheus-systemd-exporter-0.1.0...kube-prometheus-stack-55.7.1

</details>

---

### Configuration

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Europe/Amsterdam, Automerge - At any time (no schedule defined).

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♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xMzAuMCIsInVwZGF0ZWRJblZlciI6IjM3LjEzMC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/operators/prometheus-operator/Chart.yaml

@@ -1,7 +1,7 @@
 kubeVersion: ">=1.24.0-0"
 apiVersion: v2
 name: prometheus-operator
-version: 4.3.1
+version: 4.4.0
 appVersion: latest
 description: Prometheus Operator is an operator for prometheus
 home: https://truecharts.org/charts/operators/prometheus-operator
@@ -27,7 +27,7 @@ dependencies:
     tags: []
     import-values: []
   - name: kube-prometheus-stack
-    version: 55.7.0
+    version: 55.8.1
     repository: https://prometheus-community.github.io/helm-charts
     condition: ""
     alias: kps