SKIP UPGRADE CHECK Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/gitlab/gitlab/gitlab-webservice (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/bitnami/analytics/redis-exporter (source)	minor	v1.71.0 -> v1.72.1
registry1.dso.mil/ironbank/bitnami/redis (source)	major	7.4.3 -> 8.0.1
registry1.dso.mil/ironbank/bitnami/redis (source)	major	7.4.2 -> 8.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/certificates (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitaly (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-base (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-container-registry (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-exporter (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-mailroom (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-pages (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-shell (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-sidekiq (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-toolbox (source)	major	17.11.2 -> 18.0.11
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-webservice (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-workhorse (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/gitlab/gitlab/kubectl (source)	major	17.11.2 -> 18.0.1
registry1.dso.mil/ironbank/opensource/postgres/postgresql (source)	major	14.17 -> 17.5
registry1.dso.mil/ironbank/redhat/ubi/ubi9 (source)	minor	9.5 -> 9.6

Complete MR checklist

Assignee

• Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md
• Update Docs with new/updated steps as needed
• Tested and Validated Changes made with supporting info like logs or screenshots from test pipelines

Add supporting info below

Reviewer only

• Tested and Validated changes

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This MR was automatically generated by Renovate Bot.

Upgrade Notices

This is a major version change for Gitlab and as such there are some breaking changes that users may need to be aware of. Gitlab lists all of the changes on their blog:

https://about.gitlab.com/blog/2025/04/18/a-guide-to-the-breaking-changes-in-gitlab-18-0/

We have upgraded the built in postgres to version 17.4.0 that is hosted in Iron Bank. if you are not going by recommended route of using an external database for Gitlab, you will need to manually migrate your data from Postgres 16 to 17 before/during the upgrade. Otherwise, you will run into an error.