add translation

resource/locales/en_US/admin/admin.json

@@ -296,6 +296,7 @@
     "delete": "Delete",
     "integration_procedure": "Integration Procedure",
     "custom_bot_without_proxy_settings": "Custom Bot without proxy Settings",
+    "integration_failed":"Integration failed",
     "official_bot_settings": "Official bot Settings",
     "reset": "Reset",
     "reset_all_settings": "Reset all settings",

resource/locales/ja_JP/admin/admin.json

@@ -294,6 +294,7 @@
     "delete": "削除",
     "integration_procedure": "連携手順",
     "custom_bot_without_proxy_settings": "Custom Bot (Without-Proxy) 設定",
+    "integration_failed":"連携に失敗しました",
     "reset": "リセット",
     "reset_all_settings": "全ての設定をリセット",
     "delete_slackbot_settings": "Slack Bot 設定をリセットする",

resource/locales/zh_CN/admin/admin.json

@@ -304,6 +304,7 @@
     "delete": "取消",
     "integration_procedure": "协作程序",
     "custom_bot_without_proxy_settings": "Custom Bot (Without-Proxy) 设置",
+    "integration_failed":"联动失败",
     "reset":"重置",
     "reset_all_settings": "重置所有设置",
     "delete_slackbot_settings": "重置 Slack Bot 设置",

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

@@ -131,7 +131,7 @@ const CustomBotWithProxySettings = (props) => {
                   {t('admin:slack_integration.delete')}
                 </button>
               </div>
-              <div>No.{i + 1} {workspaceNames[i] == null && <span className="text-danger">連携に失敗しました</span>}</div>
+              <div>No.{i + 1} {workspaceNames[i] == null && <span className="text-danger">{t('admin:slack_integration.integration_failed')}</span>}</div>
               <WithProxyAccordions
                 botType="customBotWithProxy"
                 slackAppIntegrationId={slackAppIntegration._id}