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

package.json

@@ -11,7 +11,7 @@
     "@types/jest": "^27.0.1",
     "@types/node": "^14.17.12",
     "@types/webpack": "^4.41.30",
-    "@types/webpack-dev-server": "^3.11.6",
+    "@types/webpack-dev-server": "^4.0.3",
     "@types/webpack-env": "^1.16.2",
     "@typescript-eslint/eslint-plugin": "^4.29.3",
     "@typescript-eslint/parser": "^4.29.3",
@@ -48,7 +48,7 @@
     "url-loader": "^4.1.1",
     "webpack": "^4.46.0",
     "webpack-cli": "^4.8.0",
-    "webpack-dev-server": "^3.11.2"
+    "webpack-dev-server": "^4.0.0"
   },
   "scripts": {
     "lerna": "lerna",