Update Ironbank

This MR contains the following updates:

Package	Update	Change
ghcr.io/renovatebot/renovate (source)	minor	39.7.1 -> 39.19.1
gluon	patch	0.5.9 -> 0.5.10
registry1.dso.mil/ironbank/container-hardening-tools/renovate/renovate (source)	minor	39.4.0 -> 39.15.4

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

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

Closes #50 (closed)