Bump webpack-dev-middleware from 4.0.0 to 4.0.2
Bump webpack-dev-middleware from 4.0.0 to 4.0.2

Bumps [webpack-dev-middleware](https://github.com/webpack/webpack-dev-middleware) from 4.0.0 to 4.0.2.
- [Release notes](https://github.com/webpack/webpack-dev-middleware/releases)
- [Changelog](https://github.com/webpack/webpack-dev-middleware/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-dev-middleware/compare/v4.0.0...v4.0.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
openlayers/openlayers,bjornharrtell/ol3,ahocevar/ol3,stweil/openlayers,ahocevar/openlayers,bjornharrtell/ol3,openlayers/openlayers,ahocevar/ol3,stweil/ol3,oterral/ol3,adube/ol3,adube/ol3,oterral/ol3,stweil/ol3,stweil/openlayers,ahocevar/openlayers,ahocevar/ol3,stweil/ol3,adube/ol3,openlayers/openlayers,stweil/ol3,oterral/ol3,stweil/openlayers,ahocevar/ol3,bjornharrtell/ol3,ahocevar/openlayers