Bump webpack-dev-server from 2.11.5 to 3.1.11 in /client#2

dependabot[bot] wants to merge 1 commit intomasteredellaq/tab-tracker:masterfrom

dependabot/npm_and_yarn/client/webpack-dev-server-3.1.11edellaq/tab-tracker:dependabot/npm_and_yarn/client/webpack-dev-server-3.1.11Copy head branch name to clipboard