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

Author: renovate[bot]

package.json

@@ -28,6 +28,6 @@
     "babel-loader": "^8.1.0",
     "webpack": "^4.46.0",
     "webpack-cli": "^3.3.12",
-    "webpack-dev-server": "^3.11.0"
+    "webpack-dev-server": "^5.0.0"
   }
 }