Custom labels are not added to db-initialize and db-migrade pods

Custom labels feature was added in MR164. But these custom labels are not added to pods created by db-initialize and db-migrate jobs. My suggestion would be to add custom labels to these pods. There are some case, where custom labels are needed to select those pods. db-initialize-job.yaml

...
spec:
  template:
    metadata:
      labels:
        app: {{ template "appname" . }}
        release: {{ .Release.Name }}
    spec:
...

Custom labels could be added similar to other templates:

...
spec:
  template:
    metadata:
      labels:
{{ include "sharedlabels" . | indent 8 }}
    spec:
...