Merge pull request #648 from ReactiveDB/renovate/webpack-dev-server-4.x

chore(deps): update dependency webpack-dev-server to v4

Author: Brooooooklyn

package.json

@@ -99,7 +99,7 @@
     "typescript": "^4.3.5",
     "webpack": "^5.50.0",
     "webpack-cli": "^4.7.2",
-    "webpack-dev-server": "^3.11.2"
+    "webpack-dev-server": "^4.0.0"
   },
   "dependencies": {
     "@types/lovefield": "^2.1.4",