Bump webpack-dev-server from 3.2.1 to 3.5.1 (#10924)

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 3.2.1 to 3.5.1.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-dev-server/compare/v3.2.1...v3.5.1)

package.json

@@ -177,7 +177,7 @@
     "raf": "^3.4.1",
     "react-intl-translations-manager": "^5.0.3",
     "react-test-renderer": "^16.7.0",
-    "webpack-dev-server": "^3.2.1",
+    "webpack-dev-server": "^3.5.1",
     "yargs": "^12.0.5"
   }
 }