chore(deps): update ironbank

This MR contains the following updates:

Package	Update	Change
postgresql (source)	patch	18.8.8 → 18.8.11
registry1.dso.mil/ironbank/opensource/mattermost/mattermost (source)	minor	11.9.0 → 11.10.0

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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Upgrade Notices

N/A

Closes #291 (closed)