Add prometheus annotations to spec in ingress

Added annotations from metadata to spec.template.metadata. Without it, pod does not get any annotations, and Prometheus didn't see it

roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/ingress-nginx-controller-ds.yml.j2

@@ -20,6 +20,9 @@ spec:
       labels:
         k8s-app: ingress-nginx
         version: v{{ ingress_nginx_controller_image_tag }}
+      annotations:
+        prometheus.io/port: '10254'
+        prometheus.io/scrape: 'true'
     spec:
       containers:
         - name: ingress-nginx-controller