chore(deps): update keycloak

This MR contains the following updates:

Package	Update	Change
gluon	patch	1.0.0 -> 1.0.1
postgresql (source)	patch	18.5.17 -> 18.5.24
registry1.dso.mil/ironbank/opensource/keycloak/keycloak (source)	patch	26.6.0 -> 26.6.1

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

Integration test umbrella pipeline: https://repo1.dso.mil/big-bang/bigbang/-/pipelines/5139051

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• Tested and Validated changes

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Upgrade Notices

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