Start migration of helm chart (#5159)

charts/ingress-nginx/templates/admission-webhooks/job-patch/rolebinding.yaml

@@ -0,0 +1,23 @@
+{{- if and .Values.controller.admissionWebhooks.enabled .Values.controller.admissionWebhooks.patch.enabled }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name:  {{ template "nginx-ingress.fullname" . }}-admission
+  annotations:
+    "helm.sh/hook": pre-install,pre-upgrade,post-install,post-upgrade
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+  labels:
+    app: {{ template "nginx-ingress.name" . }}
+    chart: {{ template "nginx-ingress.chart" . }}
+    component: "{{ .Values.controller.name }}"
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ template "nginx-ingress.fullname" . }}-admission
+subjects:
+  - kind: ServiceAccount
+    name: {{ template "nginx-ingress.fullname" . }}-admission
+    namespace: {{ .Release.Namespace }}
+{{- end }}