Bump vitest from 2.0.5 to 2.1.5 #2356

Job	Run time
run (admin-ui, lint)	1m 54s
run (admin-ui, test)	1m 16s
run (admin-ui, build)	1m 28s
run (admin-ui, cy:check-types)	1m 3s
run (admin-ui, cy:run-component)	1m 31s
run (account-ui, lint)	1m 25s
run (account-ui, build)	1m 21s
run (@keycloak/keycloak-admin-client, lint)	1m 10s
run (@keycloak/keycloak-admin-client, build)	1m 5s
run (keycloak-masthead, lint)	2m 5s
run (keycloak-masthead, build)	1m 4s
dependabot	5s
	15m 27s

Provide feedback