feat: migrate woodpecker to argocd

- move woodpecker helm chart deployment to argocd
- move cnpg resources
- move vault resources

apps/overlays/au-syd1/woodpecker/kustomization.yaml

@@ -7,7 +7,7 @@ resources:
 
 helmCharts:
   - name: woodpecker
-    repo: oci://ghcr.io/woodpecker-ci/helm
+    repo: oci://ghcr.io/woodpecker-ci/helm/woodpecker
     version: "3.5.1"
     releaseName: woodpecker
     namespace: woodpecker