update latest renovate packages

This MR contains the following updates:

Package	Update	Change
redis (source)	patch	20.6.0-bb.2 -> 20.6.2-bb.2
registry1.dso.mil/ironbank/opensource/nginx/nginx (source)	patch	1.27.3 -> 1.27.4

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

❗ Important

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Upgrade Notices

"N/A"