Update Ironbank

This MR contains the following updates:

Package	Update	Change
registry1.dso.mil/ironbank/gitlab/gitlab/certificates	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/gitaly	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-container-registry	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-exporter	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-mailroom	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-pages	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-shell	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-workhorse	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/gitlab/gitlab/kubectl	patch	16.3.1 -> 16.3.4
registry1.dso.mil/ironbank/opensource/postgres/postgresql	major	14.8 -> 15.4

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Didn't update postgresql because it broke tests