jenkins: update to 2.568.1 LTS and chart

Change-Id: Ib6b48599a09dee669d77441c12b354240ef257b8
diff --git a/charts/jenkins/templates/config-init-scripts.yaml b/charts/jenkins/templates/config-init-scripts.yaml
index 7dd253c..89ed7dd 100644
--- a/charts/jenkins/templates/config-init-scripts.yaml
+++ b/charts/jenkins/templates/config-init-scripts.yaml
@@ -6,10 +6,7 @@
   name: {{ template "jenkins.fullname" . }}-init-scripts
   namespace: {{ template "jenkins.namespace" . }}
   labels:
-    "app.kubernetes.io/name": '{{ template "jenkins.name" .}}'
-    "app.kubernetes.io/managed-by": "{{ .Release.Service }}"
-    "app.kubernetes.io/instance": "{{ .Release.Name }}"
-    "app.kubernetes.io/component": "{{ .Values.controller.componentName }}"
+    {{ include "jenkins.labels" . | nindent 4 }}
 data:
 {{- range $key, $val := .Values.controller.initScripts }}
   init{{ $key }}.groovy: |-