Release validation test finalizations #531

Job	Run time
e2e-tests	24m 10s
ocaml-formatting	1m 9s
build-vm	9m 21s
kiosk-tests	1m 22s
ocaml-tests	1m 21s
prepare-matrix	3s
integration-tests (testing/integration/kiosk-screen-resolution.nix)	2m 11s
manual-tests-build-only (testing/release-validation.nix)	14m 46s
manual-tests-build-only (testing/manual/kiosk-dual-screen.nix)	1m 46s
integration-tests (testing/integration/factory-reset.nix)	1m 59s
integration-tests (testing/integration/controller-wifi.nix)	2m 15s
integration-tests (testing/integration/kiosk-proxy.nix)	2m 35s
integration-tests (testing/integration/controller-system-buttons.nix)	3m 33s
integration-tests (testing/integration/controller-proxy.nix)	3m 30s
integration-tests (testing/integration/rauc-statusfile-recovery.nix)	3m 7s
integration-tests (testing/integration/remote-maintenance.nix)	5m 29s
	1h 18m 37s

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