Draft: SKIP UPDATE CHECK Update Ironbank to v17.6.0

This MR contains the following updates:

Package	Update	Change
ironbank/gitlab/gitlab/gitlab-webservice (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/certificates (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitaly (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-base (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-container-registry (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-exporter (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-mailroom (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-pages (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-shell (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-sidekiq (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-toolbox (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-webservice (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-workhorse (source)	minor	17.5.2 -> 17.6.0
registry1.dso.mil/ironbank/gitlab/gitlab/kubectl (source)	minor	17.5.2 -> 17.6.0

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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Configuration

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This MR was automatically generated by Renovate Bot.

Upgrade Notices

(Include any relevant notes about upgrades here or write "N/A" if there are none)