chore: swap vso to virtual helm repo

- testing if there will be any changes after merging, before merging all of them

apps/overlays/au-syd1/vso-system/kustomization.yaml

@@ -9,7 +9,7 @@ resources:
 
 helmCharts:
   - name: vault-secrets-operator
-    repo: https://helm.releases.hashicorp.com
+    repo: https://artifactapi.k8s.syd1.au.unkin.net/api/v1/virtual/helm
     version: "1.2.0"
     releaseName: vault-secrets-operator
     namespace: vso-system

argocd/projects/platform.yaml

@@ -8,6 +8,7 @@ spec:
   description: Platform infrastructure and core services
   sourceRepos:
     - https://git.unkin.net/unkin/argocd-apps
+    - https://artifactapi.k8s.syd1.au.unkin.net/api/v1/virtual/helm
     - https://charts.jetstack.io
     - https://cloudnative-pg.github.io/charts
     - https://helm.elastic.co