chore(deps): update extractions/setup-just action to v4 #1252

Job	Run time
Build Images (veneos-server) / Get Images for Build	7s
Build Images (veneos) / Get Images for Build	6s
Build Images (veneos) / Build veneos:stable image and publish	13m 52s
Build Images (veneos) / Build veneos:testing image and publish	13m 31s
Build Images (veneos-server) / Build veneos-server:testing image and publish	3m 2s
Build Images (veneos-server) / Build veneos-server:stable image and publish	2m 50s
	33m 28s

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