feat(helm)!: Update chart thanos to 12.0.5

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| helm       | thanos  | 11.6.8 | 12.0.5 |

Signed-off-by: Jarvis Plus Bot <112913195+jarvis-plus-bot[bot]@users.noreply.github.com>

k8s/namespaces/base/observability/thanos/app/helmrelease.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: thanos
-      version: 11.6.8
+      version: 12.0.5
       sourceRef:
         kind: HelmRepository
         name: bitnami-charts