Test

Cherry-picked CI additions #464

Job	Run time
ocaml-formatting	1m 32s
kiosk-tests	1m 38s
e2e-tests	22m 58s
build-vm	8m 58s
ocaml-tests	1m 49s
prepare-matrix	3s
manual-tests-build-only (testing/manual/kiosk-dual-screen.nix)	33s
integration-tests (testing/integration/controller-wifi.nix)	2m 23s
integration-tests (testing/integration/kiosk-proxy.nix)	2m 26s
integration-tests (testing/integration/controller-system-buttons.nix)	3m 49s
integration-tests (testing/integration/controller-proxy.nix)	4m 3s
integration-tests (testing/integration/remote-maintenance.nix)	5m 29s
integration-tests (testing/integration/rauc-statusfile-recovery.nix)	3m 17s
integration-tests (testing/integration/kiosk-screen-resolution.nix)	2m 20s
integration-tests (testing/integration/factory-reset.nix)	1m 58s
	1h 3m 16s

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