mailroom image missing from helm.sh/images

the gitlab-mailroom image isn't listed here https://repo1.dso.mil/big-bang/product/packages/gitlab/-/blob/main/chart/Chart.yaml?ref_type=heads

can we get it added IE.

- name: gitlab-mailroom
  condition: global.appConfig.incomingEmail.enabled
  image: registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-mailroom:18.0.0