Bump @rollup/plugin-typescript from 11.1.2 to 12.1.2 #2434

Job	Run time
run (admin-ui, lint)	1m 47s
run (admin-ui, test)	1m 12s
run (admin-ui, build)	1m 28s
run (admin-ui, cy:check-types)	1m 5s
run (admin-ui, cy:run-component)	3m 24s
run (account-ui, lint)	1m 35s
run (account-ui, build)	1m 17s
run (@keycloak/keycloak-admin-client, lint)	1m 8s
run (@keycloak/keycloak-admin-client, build)	1m 1s
run (keycloak-masthead, lint)	1m 14s
run (keycloak-masthead, build)	1m 1s
dependabot	0s
	16m 12s

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