Update webpack-dev-server requirement from 1.16.2 to 1.16.5
Update webpack-dev-server requirement from 1.16.2 to 1.16.5

Updates the requirements on [webpack-dev-server](https://github.com/webpack/webpack-dev-server) to permit the latest version.
- [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/commits/v1.16.5)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
thiagozanetti/inv-gh-hero,thiagozanetti/inv-gh-hero