feat(windows): obtain machine-guid [NR-480703] #1220

Job	Run time
cargo fmt	16s
⚖️ Check third party licenses	5m 43s
cargo shear (unused dependencies)	14s
codespell	13s
cargo clippy	1m 56s
cargo doc	1m 39s
ubuntu / stable / coverage	3m 42s
tests as root	3m 55s
Unit, docs and onhost integration tests	8m 10s
build-windows-binary	13m 10s
Build release binaries	5m 24s
Unit test for embedded downloader	26s
K8s integration tests (part2)	10m 28s
K8s integration tests (part1)	11m 49s
k8s-e2e-tests / K8s e2e tests infra	10m 48s
K8s integration tests (flux-self-update)	10m 31s
security / Rust audit scanner	2m 37s
k8s-e2e-tests / K8s e2e tests	2s
🟢 All required checks and tests pass	4s
	1h 31m 7s

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