maybe fix chromebooks? #354

Job	Run time
live-iso (x86_64, flagship/flagship-live)	24m 22s
image (x86_64, base/base-disk)	18m 21s
live-iso (x86_64, gnome/gnome-live)	21m 5s
image (x86_64, flagship/base-disk)	44m 5s
live-iso (x86_64, kde/kde-live)	35m 50s
image (x86_64, gnome/base-disk)	32m 12s
live-iso (x86_64, xfce/xfce-live)	24m 19s
image (x86_64, kde/base-disk)	23m 6s
live-iso (aarch64, flagship/flagship-live)	14m 24s
image (x86_64, xfce/base-disk)	36m 28s
live-iso (aarch64, gnome/gnome-live)	4s
image (aarch64, base/base-disk)	23m 35s
live-iso (aarch64, kde/kde-live)	12m 34s
image (aarch64, flagship/base-disk)	24m 28s
live-iso (aarch64, xfce/xfce-live)	13m 55s
image (aarch64, gnome/base-disk)	31m 7s
image (aarch64, kde/base-disk)	13m 9s
image (aarch64, xfce/base-disk)	15m 35s
push-image	0s
	6h 48m 39s

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