cleanup and mass update: moving from Harbor to Gitea registries and from Drone to Gitea CI/CD with Gitea Act Runner

roles/metrics-server/tasks/main.yaml

@@ -6,6 +6,6 @@
     create_namespace: true
     release_namespace: "{{ metrics_server_namespace | default('metrics-server') }}"
     release_name: "{{ metrics_server_name | default('metrics-server') }}"
-    chart_ref: "{{ metrics_server_chart | default('bitnami/metrics-server') }}"
+    chart_ref: "{{ metrics_server_chart_ref }}"
     chart_version: "{{ metrics_server_version | default(omit) }}"
     release_values: "{{ metrics_server_combined_values | from_yaml }}"