Build

treewide: switch to vendor gamescope-session #372

Job	Run time
Generate matrix	17s
decky-loader	2m 24s
gamescope	1m 57s
gamescope-session	12m 16s
jovian-greeter	1m 28s
jovian-steam-protocol-handler	3m 22s
jovian-stubs	1m 13s
jupiter-dock-updater-bin	1m 26s
jupiter-fan-control	1m 10s
jupiter-hw-support	2m 52s
linux-firmware	2m 35s
linux_jovian	2h 9m 9s
mangohud	7m 25s
mesa-radv-jupiter	28s
opensd	1m 26s
powerbuttond	3m 0s
sdgyrodsu	27s
steam	2m 56s
steam_notif_daemon	2m 56s
steamdeck-bios-fwupd	3m 16s
steamdeck-firmware	3m 44s
steamdeck-hw-theme	3m 20s
steamos-polkit-helpers	3m 41s
	3h 12m 48s

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