Update dependency webpack-dev-middleware to v5 [SECURITY]

Author: renovate[bot]

package.json

@@ -188,7 +188,7 @@
     "style-loader": "0.13.2",
     "timekeeper": "0.0.5",
     "webpack": "1.15.0",
-    "webpack-dev-middleware": "1.12.2",
+    "webpack-dev-middleware": "5.3.4",
     "webpack-hot-middleware": "2.21.0"
   },
   "engines": {