Update dependency antd to v3.26.11

Author: renovate-bot

frontend/package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "antd": "3.12.4",
+    "antd": "3.26.11",
     "react": "16.7.0",
     "react-app-rewire-eslint": "0.2.3",
     "react-dom": "16.7.0",