meta-dts CI build workflow missing kas-uefi-sb.yml

[artur-rs]

The problem you're addressing (if any)

During final release preparation, the team raised an issue regarding a broken build for kas-uefi-sb.yml
I think preparing a standalone workflow for such tasks and testing it in the future would be beneficial.Preparing

Describe the solution you'd like

No response

Where is the value to a user, and who might that user be?

Improved test-coverage

Describe alternatives you've considered

No response

Additional context

Dasharo/meta-dts#179