chore(deps): update container image bitnami/alertmanager to 0.26.0@130b6ff by renovate (#18154)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| bitnami/alertmanager | digest | `de8bbbd` -> `130b6ff` |

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

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xODMuMCIsInVwZGF0ZWRJblZlciI6IjM3LjE4My4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/enterprise/prometheus/Chart.yaml

@@ -46,8 +46,8 @@ sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
   - https://github.com/truecharts/charts/tree/master/charts/enterprise/prometheus
-  - https://hub.docker.com/r/bitnami/prometheus
   - https://quay.io/thanos/thanos
   - https://hub.docker.com/r/bitnami/alertmanager
+  - https://hub.docker.com/r/bitnami/prometheus
 type: application
-version: 16.4.6
+version: 16.4.7

charts/enterprise/prometheus/values.yaml

@@ -6,7 +6,7 @@ thanosImage:
   tag: v0.34.0@sha256:2356a5f131fd80965d7a0617b70b14e4facae1aee5ec43f117f8bfbe20d987fc
 alertmanagerImage:
   repository: bitnami/alertmanager
-  tag: 0.26.0@sha256:de8bbbd1bcc1725afb98fd810284a3cfbbd19a539db1e1e8274ee18de8ade795
+  tag: 0.26.0@sha256:130b6ff598e4c6975ace7c10c1913d797d39e7ab86c4a0cdb5a72802122b2bb2
 global:
   labels: {}
 workload: