test: workflow for E2E with Fleet leveraging larger runners #2725

Job	Run time
cargo doc (ubuntu-latest)	5m 0s
cargo shear (unused dependencies) (ubuntu-latest)	3s
cargo shear (unused dependencies) (windows-latest)	2s
cargo fmt	1s
ubuntu / stable / coverage	1s
cargo doc (windows-latest)	1s
cargo clippy (ubuntu-latest)	2s
⚖️ Check third party licenses	1s
codespell	1s
cargo clippy (windows-latest)	1s
K8s integration tests (part1)	3s
tests as root (ubuntu-latest)	5m 0s
Unit, docs and onhost integration tests (windows-latest)	1s
K8s integration tests (flux-self-update)	1s
Unit test for embedded downloader	1s
tests with oci registry (ubuntu-latest)	5m 1s
Unit, docs and onhost integration tests (ubuntu-latest)	1s
Build release binaries	1s
K8s integration tests (part2)	1s
tests with oci registry (windows-latest)	1s
tests as root (windows-latest)	2s
k8s-e2e-tests / K8s e2e tests infra	1s
security / Rust audit scanner	1s
k8s-e2e-tests / K8s e2e tests	5s
🟢 All required checks and tests pass	2s
	15m 35s

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