Build(deps-dev): Bump webpack-dev-server from 3.3.0 to 3.3.1

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v3.3.0...v3.3.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

package-lock.json

@@ -16,6 +16,6 @@
     "html-webpack-plugin": "^3.2.0",
     "webpack": "^4.29.6",
     "webpack-cli": "^3.3.0",
-    "webpack-dev-server": "^3.3.0"
+    "webpack-dev-server": "^3.3.1"
   }
 }