move some credentials to helm_secret_values/kustomization_substitute_secrets
This MR moves some secrets, which are today "leaking" in clear text in HelmReleases and/or Kustomizations, into helm_secret_values/kustomization_substitute_secrets to have them be always carried in Secrets.
This is about:
- keycloak postgres
- grafana
- loki
Edited by Thomas Morin