Bump @testing-library/react from 15.0.5 to 16.1.0 #2397

Job	Run time
run (admin-ui, lint)	1m 54s
run (admin-ui, test)	1m 20s
run (admin-ui, build)	1m 31s
run (admin-ui, cy:check-types)	1m 3s
run (admin-ui, cy:run-component)	1m 23s
run (account-ui, lint)	1m 23s
run (account-ui, build)	1m 20s
run (@keycloak/keycloak-admin-client, lint)	1m 8s
run (@keycloak/keycloak-admin-client, build)	59s
run (keycloak-masthead, lint)	1m 10s
run (keycloak-masthead, build)	1m 6s
dependabot	3s
	14m 20s

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