Switch to find instead of ls #252

Job	Run time
lint / build	1m 5s
build-macos-release-tests / build	11m 34s
build-altlinux-release-tests / build	5m 27s
build-macos-debug-tests / build	12m 59s
build-rockylinux-distro-release-tests / build	6m 9s
build-rockylinux-installer-release-tests / build	25m 2s
build-ubuntu-debug-tests / build	18m 56s
build-ubuntu-release-tests / build	3m 54s
build-macos-installer / build	10m 48s
install-macos-installer / job	6m 10s
build-rockylinux-installer / build	6m 9s
install-rockylinux-installer / job	8m 35s
install-ubuntu-installer / job	8m 2s
install-archlinux-installer / job	7m 49s
install-altlinux-installer / job	8m 10s
	2h 20m 49s

Provide feedback