feat(helm): update chart prometheus-blackbox-exporter to 8.13.0 (#5834)

| datasource | package                      | from   | to     |
| ---------- | ---------------------------- | ------ | ------ |
| helm       | prometheus-blackbox-exporter | 8.12.0 | 8.13.0 |

Co-authored-by: rosey-the-renovator-bot[bot] <98764075+rosey-the-renovator-bot[bot]@users.noreply.github.com>

Author: rosey-the-renovator-bot[bot]

kubernetes/main/apps/monitoring/blackbox-exporter/app/helmrelease.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: prometheus-blackbox-exporter
-      version: 8.12.0
+      version: 8.13.0
       sourceRef:
         kind: HelmRepository
         name: prometheus-community-charts