Add workflows for Surface Go and Surface Pro 6

[klutchell]

• [x] Create PR with all devices supported in the balena- multi job in Jenkins
• [x] Merge this PR and check that it deployed to staging on push event
• [x] Open a new PR to set deploy environment to balena-cloud.com (here)
• [ ] Once all builds and tests are passing, disable the associated multi job in Jenkins
• [ ] Update branch protection to require the GHA workflows and not the Jenkins jobs
• [ ] Merge the deploy environment PR

See https://balena.fibery.io/Work/Improvement/Make-a-checklist-to-mark-a-repository-BTD-certified-1965