Remove cron resource api to stable

Author: dividehex

k8s/templates/cron.yaml

@@ -1,5 +1,5 @@
 ---
-apiVersion: batch/v1beta1
+apiVersion: batch/v1
 kind: CronJob
 metadata:
   name: {{ .Values.name }}-expirations-cron
@@ -37,4 +37,4 @@ spec:
             - /bin/sh
             - -c
             - curl -X POST dino-park-packs-service/internal/notify/all
-          restartPolicy: OnFailure
+          restartPolicy: OnFailure