Bug 40875+40877: signing changes for maint-12.0

Merge Info

• Related Issues

  • #40875 (closed)
  • #40877 (closed)

• Backport Timeline

  • Will be added to main (with more changes) in a separate MR

• Issue Tracking

  • Link resolved issues with appropriate Release Prep issue for changelog generation

Change Description

This branch includes the changes needed for signing 12.0.7. I will remove draft after signing worked.