feat(container): update image ghcr.io/prometheus-community/charts/kube-prometheus-stack ( 81.1.0 → 81.2.0 ) (#2810)

| datasource | package                                                   | from   | to     |
| ---------- | --------------------------------------------------------- | ------ | ------ |
| docker     | ghcr.io/prometheus-community/charts/kube-prometheus-stack | 81.1.0 | 81.2.0 |

Co-authored-by: lord-of-lightning-bot[bot] <170540725+lord-of-lightning-bot[bot]@users.noreply.github.com>

Author: lord-of-lightning-bot[bot]

kubernetes/apps/observability/kube-prometheus-stack/app/helmrepository.yaml

@@ -11,5 +11,5 @@ spec:
     mediaType: application/vnd.cncf.helm.chart.content.v1.tar+gzip
     operation: copy
   ref:
-    tag: 81.1.0
+    tag: 81.2.0
   url: oci://ghcr.io/prometheus-community/charts/kube-prometheus-stack