chart: Add service monitor and remove kube_rbac_proxy leftovers (#527)

* remove all authProxy refs

* Add serviceMonitor

* fix metrics port

* fix newline

* fix newline

* bump chart version

* fix indentation typo

* Rename metrics.proxy

* Make metrics.portNumber configurable

* fix metrics port

* revert: chart version change

Co-authored-by: toast-gear <15716903+toast-gear@users.noreply.github.com>

charts/actions-runner-controller/templates/auth_proxy_role_binding.yaml

@@ -1,3 +1,4 @@
+{{- if .Values.metrics.proxy.enabled }}
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
@@ -10,3 +11,4 @@ subjects:
 - kind: ServiceAccount
   name: {{ include "actions-runner-controller.serviceAccountName" . }}
   namespace: {{ .Release.Namespace }}
+{{- end }}