fix(deps): update dependency webpack-dev-server to v3.10.3 (#53)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package-lock.json

@@ -73,7 +73,7 @@
     "webpack": "4.40.2",
     "webpack-bundle-analyzer": "3.5.0",
     "webpack-cli": "3.3.11",
-    "webpack-dev-server": "3.8.1",
+    "webpack-dev-server": "3.10.3",
     "webpack-merge": "4.2.2"
   }
 }