deploys gh arc via argo app

ci/cluster/oci/arc/arc.yaml

@@ -0,0 +1,28 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: github-arc
+  namespace: argocd
+spec:
+  project: default
+  destination:
+    server: "https://kubernetes.default.svc"
+    namespace: arc-systems
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true
+      - ServerSideApply=true
+  sources:
+  - repoURL: ghcr.io/actions/actions-runner-controller-charts
+    chart: gha-runner-scale-set-controller
+    targetRevision: 0.10.1
+    helm:
+      releaseName: cncf-gha-controller
+      valueFiles:
+        - $values/ci/cluster/oci/arc/values.yaml
+  - ref: values
+    repoURL: https://github.com/cncf/automation.git
+    targetRevision: main

ci/cluster/oci/arc/values.yaml

@@ -0,0 +1,4 @@
+metrics:
+  controllerManagerAddr: ":8080"
+  listenerAddr: ":8080"
+  listenerEndpoint: "/metrics"