feature/asynchron ftp upload #3305

Job	Run time
check-install-script	11s
run-install-script (ubuntu-latest, sudo ./install-photobooth.sh --username="$(whoami)" --branch="...	3m 46s
run-install-script (ubuntu-latest, sudo ./install-photobooth.sh --username="$(whoami)" --silent)	3m 39s
	7m 36s

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