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/controller.metrics.service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    {{- include "actions-runner-controller.labels" . | nindent 4 }}
+  name: {{ include "actions-runner-controller.metricsServiceName" . }}
+  namespace: {{ .Release.Namespace }}
+spec:
+  ports:
+  - name: metrics-port
+    port: {{ .Values.metrics.port }}
+    targetPort: metrics-port
+  selector:
+    {{- include "actions-runner-controller.selectorLabels" . | nindent 4 }}