Update Helm release argo-cd to v5.53.6

Author: renovate[bot]

manifests/bootstrapping-cloud/07-argocd/kustomization.yaml

@@ -11,5 +11,5 @@ helmCharts:
   releaseName: argo-cd
   namespace: argocd
   repo: https://argoproj.github.io/argo-helm
-  version: "5.51.2"
+  version: "5.53.6"
   valuesFile: values.yaml

manifests/bootstrapping-onprem/08-argocd/kustomization.yaml

@@ -15,5 +15,5 @@ helmCharts:
   releaseName: argo-cd
   namespace: argocd
   repo: https://argoproj.github.io/argo-helm
-  version: "5.51.2"
+  version: "5.53.6"
   valuesFile: values.yaml