chore: enable helm (#3)

- enable helm for argocd

Reviewed-on: #3

clusters/au-syd1/bootstrap/argocd-cm-patch.yaml

@@ -0,0 +1,8 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: argocd-cm
+  namespace: argocd
+data:
+  kustomize.buildOptions: "--enable-helm"

clusters/au-syd1/bootstrap/kustomization.yaml

@@ -5,3 +5,9 @@ kind: Kustomization
 resources:
   - https://artifactapi.k8s.syd1.au.unkin.net/api/v1/remote/github_raw/argoproj/argo-cd/refs/tags/v3.3.2/manifests/ha/install.yaml
   - au-syd1-apps.yaml
+
+patches:
+  - path: argocd-cm-patch.yaml
+    target:
+      kind: ConfigMap
+      name: argocd-cm