Change default root password #3072

Job	Run time
detect	1s
build-toolkit	1m 31s
build-matrix (green) / detect	12s
build-matrix (green) / build-os	2m 38s
build-matrix (green) / build-disk	2m 16s
build-matrix (green) / build-iso	1m 58s
build-matrix (green) / test-installer	3m 58s
build-matrix (green) / tests-matrix (test-upgrade)	3m 44s
build-matrix (green) / tests-matrix (test-downgrade)	5m 10s
build-matrix (green) / tests-matrix (test-recovery)	3m 48s
build-matrix (green) / tests-matrix (test-fallback)	10m 12s
build-matrix (green) / tests-matrix (test-fsck)	5m 3s
build-matrix (green) / tests-matrix (test-grubfallback)	4m 37s
	45m 8s

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