chore(deps-dev): bump webpack-dev-server from 3.8.1 to 3.9.0#43

dependabot-preview[bot] wants to merge 1 commit intomastermongodb-js/react-leaflet-heatmap-layer:masterfrom

dependabot/npm_and_yarn/webpack-dev-server-3.9.0mongodb-js/react-leaflet-heatmap-layer:dependabot/npm_and_yarn/webpack-dev-server-3.9.0Copy head branch name to clipboard