A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, moreVertical } from '@wordpress/icons';
<Icon icon={moreVertical} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M13 19h-2v-2h2v2zm0-6h-2v-2h2v2zm0-6h-2V5h2v2z"></path></svg>
moreVertical – WordPress Icon Library