🧱(helm) include app labels and cron job name in cron jobs

Jobs created from cron jobs were lacking some labels that ease
with targetting them notably as part of network policies.

src/helm/meet/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v2
 type: application
 name: meet
-version: 0.0.24
+version: 0.0.25

src/helm/meet/templates/backend_cronjob_list.yaml

@@ -23,6 +23,9 @@ items:
           template:
             metadata:
               name: {{ $fullName }}-{{ .name }}
+              labels:
+                cronjob-name: {{ .name }}
+                {{- include "meet.common.labels" (list $ $component) | nindent 16 }}
             spec:
               {{- if $.Values.image.credentials }}
               imagePullSecrets: