Update qb result message size to .h5

frontend/src/metabase/query_builder/components/QueryVisualization.jsx

@@ -134,7 +134,7 @@ export default class QueryVisualization extends Component {
                         className="flex"
                         items={messages}
                         renderItem={(item) =>
-                            <div className="flex-no-shrink flex align-center mx2 text-grey-4">
+                            <div className="flex-no-shrink flex align-center mx2 h5 text-grey-4">
                                 <Icon className="mr1" name={item.icon} size={12} />
                                 {item.message}
                             </div>