chore(deps): update helm release argo-cd to v9.5.21 (#32)

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

Author: renovate[bot]

functions/render/200-helm-release-argocd.yaml.gotmpl

@@ -23,7 +23,7 @@ spec:
     chart:
       name: argo-cd
       repository: https://argoproj.github.io/argo-helm
-      version: 9.5.17
+      version: 9.5.21
     namespace: {{ $argo.namespace }}
     {{- if $argo.overrideAllValues }}
     values: