Bump webpack-dev-server from 1.16.3 to 3.1.11 in /frontend#2

dependabot[bot] wants to merge 1 commit intodevamoniacou/openproject:devfrom

dependabot/npm_and_yarn/frontend/webpack-dev-server-3.1.11amoniacou/openproject:dependabot/npm_and_yarn/frontend/webpack-dev-server-3.1.11Copy head branch name to clipboard