fix: update certificate apiVersion (#213)

charts/argo-cd/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "1.4.1"
 description: A Helm chart for ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 1.6.5
+version: 1.6.6
 home: https://github.com/argoproj/argo-helm
 icon: https://raw.githubusercontent.com/argoproj/argo/master/docs/assets/argo.png
 keywords:

charts/argo-cd/templates/argocd-server/certificate.yaml

@@ -1,5 +1,9 @@
 {{- if .Values.server.certificate.enabled -}}
+{{- if .Capabilities.APIVersions.Has "cert-manager.io/v1alpha2" }}
+apiVersion: cert-manager.io/v1alpha2
+{{- else }}
 apiVersion: certmanager.k8s.io/v1alpha1
+{{- end }}
 kind: Certificate
 metadata:
   name: {{ template "argo-cd.server.fullname" . }}