change text-warning to text-danger

src/client/js/components/Admin/SlackIntegration/CustomBotWithoutProxyIntegrationCard.jsx

@@ -35,7 +35,7 @@ const CustomBotWithoutProxyIntegrationCard = (props) => {
 
           <p className="mt-4">
             <small
-              className="text-warning m-0"
+              className="text-danger m-0"
               // eslint-disable-next-line react/no-danger
               dangerouslySetInnerHTML={{ __html: t('admin:slack_integration.integration_sentence.integration_is_not_complete') }}
             />