feat(helm): Use Valkey

[kiblik]

TBD

kubectl exec statefulset/defectdojo-redis-master -c redis -- redis-cli -a `kubectl get secret defectdojo-redis-specific -o go-template='{{index .data "redis-password" | base64decode}}'` llen celery

[github-actions]

Conflicts have been resolved. A maintainer will review the pull request shortly.

[Maffooch]

Hi @kiblik the valkey migration is slated for release in the upcoming minor release on November 3rd. The docker compose PR looks ready to roll after your feedback was incorporated. Is there anything left to be implemented in this PR for the helm chart?