chore(deps): update dependency webpack-dev-server to v3.11.0

| datasource | package            | from   | to     |
| ---------- | ------------------ | ------ | ------ |
| npm        | webpack-dev-server | 3.10.3 | 3.11.0 |

Author: renovate-bot

package.json

@@ -38,7 +38,7 @@
     "typescript": "3.8.3",
     "webpack": "4.43.0",
     "webpack-cli": "3.3.11",
-    "webpack-dev-server": "3.10.3"
+    "webpack-dev-server": "3.11.0"
   },
   "resolutions": {
     "lodash": "^4.17.13"