[stable/memcached] Memcached priority class name - fix (#17407)

* Added priorityClassName parameter to Statefulset resource and values.yaml

Signed-off-by: pam- <pam.assogba@gmail.com>

* Bumping version

Signed-off-by: pam- <pam.assogba@gmail.com>

* Updated README

Signed-off-by: pam- <pam.assogba@gmail.com>

* Fixing typo

Signed-off-by: pam- <pam.assogba@gmail.com>

* yaml typo

Signed-off-by: pam- <pam.assogba@gmail.com>

* Moving priority class name parameter under appriopriate spec

Signed-off-by: pam- <pam.assogba@gmail.com>

* Removing priorityClassName parameter from wrong header

Signed-off-by: pam- <pam.assogba@gmail.com>

stable/memcached/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: memcached
-version: 2.10.1
+version: 2.10.2
 appVersion: 1.5.12
 description: Free & open source, high-performance, distributed memory object caching
   system.

stable/memcached/templates/statefulset.yaml

@@ -12,9 +12,6 @@ spec:
   serviceName: {{ template "memcached.fullname" . }}
   {{- end }}
   replicas: {{ .Values.replicaCount }}
-  {{- if .Values.priorityClassName -}}
-  priorityClassName: "{{ .Values.priorityClassName }}"
-  {{- end }}
   template:
     metadata:
       labels:
@@ -53,6 +50,9 @@ spec:
                   app:  {{ template "memcached.fullname" . }}
                   release: {{ .Release.Name | quote }}
         {{- end }}
+      {{- if .Values.priorityClassName }}
+      priorityClassName: "{{ .Values.priorityClassName }}"
+      {{- end }}
       containers:
       - name: {{ template "memcached.fullname" . }}
         image: {{ .Values.image }}