feat(package): update mini-css-extract-plugin to 0.4.1
feat(package): update mini-css-extract-plugin to 0.4.1

fabric8io/fabric8-ui,fabric8io/fabric8-ui,fabric8-ui/fabric8-ui,fabric8io/fabric8-ui,fabric8-ui/fabric8-ui,fabric8-ui/fabric8-ui,fabric8-ui/fabric8-ui,fabric8io/fabric8-ui,fabric8io/fabric8-ui,fabric8-ui/fabric8-ui