jenkins: update to 2.568.1 LTS and chart

Change-Id: Ib6b48599a09dee669d77441c12b354240ef257b8
diff --git a/charts/jenkins/templates/home-pvc.yaml b/charts/jenkins/templates/home-pvc.yaml
index f417d23..023295b 100644
--- a/charts/jenkins/templates/home-pvc.yaml
+++ b/charts/jenkins/templates/home-pvc.yaml
@@ -10,13 +10,7 @@
   name: {{ template "jenkins.fullname" . }}
   namespace: {{ template "jenkins.namespace" . }}
   labels:
-    "app.kubernetes.io/name": '{{ template "jenkins.name" .}}'
-    {{- if .Values.renderHelmLabels }}
-    "helm.sh/chart": "{{ template "jenkins.label" .}}"
-    {{- end }}
-    "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 }}
 {{- if .Values.persistence.labels }}
 {{ toYaml .Values.persistence.labels | indent 4 }}
 {{- end }}
@@ -34,7 +28,7 @@
 {{- if (eq "-" .Values.persistence.storageClass) }}
   storageClassName: ""
 {{- else }}
-  storageClassName: "{{ .Values.persistence.storageClass }}"
+  storageClassName: "{{ tpl .Values.persistence.storageClass . }}"
 {{- end }}
 {{- end }}
 {{- end }}