chore(deps): update anchore/scan-action action to v6 #2091

Job	Run time
build-base (41, silverblue)	6m 42s
build-base (41, kinoite)	9m 46s
build-base (41, cosmic)	6m 9s
build-base (stable, silverblue)	8m 35s
build-base (stable, kinoite)	11m 58s
build-base (stable, cosmic)	9m 19s
build-nvidia (41, silverblue, open)	8m 28s
build-nvidia (41, kinoite, open)	11m 19s
build-nvidia (41, cosmic, open)	8m 29s
build-nvidia (stable, silverblue, open)	9m 6s
build-nvidia (stable, kinoite, open)	10m 25s
build-nvidia (stable, cosmic, open)	7m 49s
check	2s
	1h 48m 7s

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