chore(deps): update helm release argo-cd to v8.5.8 (#796)

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

Author: renovate[bot]

kubernetes-services/templates/argo-cd.yaml

@@ -13,7 +13,7 @@ spec:
   sources:
     - chart: argo-cd
       repoURL:  https://argoproj.github.io/argo-helm
-      targetRevision: 8.5.7
+      targetRevision: 8.5.8
       helm:
         values: |
           redis-ha: