feat(charts): update helm release prometheus-blackbox-exporter to 11.6.0 (was 11.5.0) (#3609)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

helm-dependencies.yaml

@@ -93,7 +93,7 @@ dependencies:
     version: 0.28.1
     repository: https://prometheus-community.github.io/helm-charts
   - name: prometheus-blackbox-exporter
-    version: 11.5.0
+    version: 11.6.0
     repository: https://prometheus-community.github.io/helm-charts
   - name: scaleway-webhook
     version: v0.0.1