chore(deps): update kube-prometheus-stack docker tag to v81.3.1 (#3596)

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 | `81.2.2` → `81.3.0` |

---

### Release Notes

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

### [`v81.3.0`](https://github.com/prometheus-community/helm-charts/releases/tag/kube-prometheus-stack-81.3.0)

[Compare Source](https://github.com/prometheus-community/helm-charts/compare/kube-prometheus-stack-81.2.2...kube-prometheus-stack-81.3.0)

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 kube-prometheus-stack dependency non-major updates by [@&#8203;renovate](https://github.com/renovate)\[bot] in [#&#8203;6543](https://github.com/prometheus-community/helm-charts/pull/6543)

**Full Changelog**: <https://github.com/prometheus-community/helm-charts/compare/alertmanager-1.31.3...kube-prometheus-stack-81.3.0>

</details>

---

### Configuration

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

---

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

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi42OS4yIiwidXBkYXRlZEluVmVyIjoiNDIuNjkuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiaW1hZ2UiXX0=-->

Reviewed-on: #3579
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

.gitea/workflows/renovate.yaml

@@ -13,7 +13,7 @@ on:
 jobs:
   renovate:
     runs-on: ubuntu-latest
-    container: ghcr.io/renovatebot/renovate:42
+    container: ghcr.io/renovatebot/renovate:43
     steps:
       - name: Checkout
         uses: actions/checkout@v6

clusters/cl01tl/helm/argo-workflows/Chart.yaml

@@ -29,4 +29,4 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/argo-cd.png
 # renovate: datasource=github-releases depName=argoproj/argo-workflows
-appVersion: v3.7.8
+appVersion: v3.7.9

clusters/cl01tl/helm/immich/Chart.yaml

@@ -31,4 +31,4 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/immich.png
 # renovate: datasource=github-releases depName=immich-app/immich
-appVersion: v2.5.0
+appVersion: v2.5.2

clusters/cl01tl/helm/immich/values.yaml

@@ -9,7 +9,7 @@ immich:
         main:
           image:
             repository: ghcr.io/immich-app/immich-server
-            tag: v2.5.0
+            tag: v2.5.2
             pullPolicy: IfNotPresent
           env:
             - name: TZ

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: 81.3.0
+  version: 81.3.1
 - 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: sha256:8f6bde0b3ccc1bc887c75649e95754650f2e44dd81ba77da6a06bf99ba1119e8
-generated: "2026-01-28T22:14:04.638817848Z"
+digest: sha256:7df13e88abf5c6d0aa0108743e5c8cbf32129189e7aad5a9a6ffff30ed65949a
+generated: "2026-01-29T19:03:34.019248959Z"

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

@@ -20,7 +20,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: kube-prometheus-stack
-    version: 81.3.0
+    version: 81.3.1
     repository: oci://ghcr.io/prometheus-community/charts
   - name: app-template
     alias: ntfy-alertmanager

clusters/cl01tl/helm/libation/Chart.yaml

@@ -24,4 +24,4 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/libation.png
 # renovate: datasource=github-releases depName=rmcrackan/Libation
-appVersion: 13.1.4
+appVersion: 13.1.5

clusters/cl01tl/helm/libation/values.yaml

@@ -16,7 +16,7 @@ libation:
         main:
           image:
             repository: rmcrackan/libation
-            tag: 13.1.4
+            tag: 13.1.5
             pullPolicy: IfNotPresent
           env:
             - name: SLEEP_TIME

clusters/cl01tl/helm/metrics-server/Chart.yaml

@@ -18,4 +18,4 @@ dependencies:
     repository: https://kubernetes-sigs.github.io/metrics-server/
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/kubernetes.png
 # renovate: datasource=github-releases depName=kubernetes-sigs/metrics-server
-appVersion: 0.8.0
+appVersion: 0.8.1

clusters/cl01tl/helm/searxng/values.yaml

@@ -9,7 +9,7 @@ searxng:
         main:
           image:
             repository: searxng/searxng
-            tag: latest@sha256:5c8621cef49a936244cbcb432e0ca99b040efd43c580782dd8449bc0015f02e7
+            tag: latest@sha256:7dfe4abf855ee9ef946c057211179dbc97e05d49a15db11d937c84b1e412098a
             pullPolicy: IfNotPresent
           env:
             - name: SEARXNG_BASE_URL
@@ -39,7 +39,7 @@ searxng:
         main:
           image:
             repository: searxng/searxng
-            tag: latest@sha256:5c8621cef49a936244cbcb432e0ca99b040efd43c580782dd8449bc0015f02e7
+            tag: latest@sha256:7dfe4abf855ee9ef946c057211179dbc97e05d49a15db11d937c84b1e412098a
             pullPolicy: IfNotPresent
           env:
             - name: SEARXNG_BASE_URL